Tuesday, November 30, 2010

What is the crisis, in the poem "The Fish" by Elizabeth Bishop?crisis as it relates to American crisis poems. Examples: Whitman's "As I Ebb'd with...

That is an interesting question.  You will find extensive
analysis of "The Fish" online, including an excellent e-notes analysis (see link below),
but these sites do not directly answer your question.  In the poem, the speaker
experiences an epiphany when there is "joy" in the boat and releases the fish at the end
of the poem.  Prior to this the speaker sees and exults in the life of the fish--seeing
something in the fish's life and liveliness that she (the speaker) can relate to.  The
crisis, therefore, could be seen as what to do with the fish, perhaps especially at the
moment where the indifferent fish refuses to return the speaker's gaze.  Once the
speaker sees even more beauty and life in the fish--the five hooks, for example, as
evidence of the fish's earlier struggles--she is no longer in doubt and releases the
fish in joy.

What is the most important aspect of the Opium Wars?

To me, the most important aspect of the Opium Wars is that
they were wars that were conducted so that Britain could force China to allow the
British to bring opium into China to sell.  The British needed to sell opium to China. 
When China banned the trade, Britain went to war.


Britain
needed tea from China.  They had to pay for it with silver and had nothing to sell the
Chinese.  This meant Britain's silver reserves were leaking away to China.  So when the
British found they could sell opium to Chinese, it was great for them.  Now they had a
way to get their silver back from the Chinese.


As I say,
China banned the trade and Britain went to war to force them to resume that
trade.


So, to me, the most important thing about these wars
is that they were fairly immoral from our point of view -- they were fought to force
China to allow Britain to sell drugs to the Chinese.


You
could also argue that the most important aspect is that the wars ended with unequal
treaties that gave the British all sorts of rights to China -- rights that essentially
made parts of China subject to British law and not Chinese law.

simplify the ratio: 14/25:7:10show all your working out and explain how you got the answer.

The given ratio is 
14/15:7:10.


The given ratio is  ordered triple number or in
simple language 3 numbers (terms) in an order.


A ratio does
not change in value by multiplying (or dividing) each its terms by equal number (but
never by zero).


A ratio is in simplest form when all the
terms are in the minimum posinble intgers.


In the given
ratio 14/25 can be 14 in the ratio if we multiply each of the 3 terms by
14:


(14/25)*25 : 7*25 :
10*25


14 : 175 : 250


Now the
three terms  i 14 : 175 : 25 together do not have any common (in fact HCF) factor other
than 1. 


Therefore,  14 : 175 : 250 is the simple form of
the given ratio.

What stereotypes of women are present in The Canterbury Tales?Are female characters oversimplified? Weak? Foolish? Excessively Naive?

Chaucer presents a wide variety of female types.  We have,
for instance, many stories concerning the most beautiful girl around.  The wondrous
beauty can be seen in the Knight's Tale, the Miller's Tale, and the Franklin's Tale.  In
many of the stories we have the young and lustful woman--The Miller's Tale, the Reeve's
Tale, the Merchant's Tale.  In some we have the wise old woman:  The Wife of Bath's
Tale.  In other tales we see women who are virtuous to a fault:  The Man of Law's Tale,
the Physician's Tale, the Franklin's Tale.


Yes, the women
are exaggerations of the women of the time.  These stereotypes serve to enhance the
humor of the work.  Yet, the women are hardly the butt of the humor.  More often the
male characters are the ones who appear more foolish. The women often make the male
characters look foolish.  Allison in The Miller's Tale, for example, cheats on her
husband and gives a would-be suitor her bottom to kiss.  Yet, it is her husband who is
deemed a fool.  In the Reeve's Tale, the miller's wife and daughter unknowingly sleep
with the two clerics, but it is the miller who is knocked over the head by his wife and
the two women have more fun than they ever had.


Patient
Griselda and faithful Constance in the Clerk's  Tale and the Man of Law's Tale are so
virtuous that the men around them are seen as evil.


In
other words, yes the women are stereotypes.  Yes they are naive in some of the stories
and experienced and cunning in others.  Yet, the male characters do not fare any better.
 They are just as naive, foolish, petty, and lustful-perhaps even more so, and they, in
most stories, suffer more for their foibles than the women do for
theirs.

Monday, November 29, 2010

I need a thesis/concept sentence and a topic sentence on the theme 'power and passion of young love'.

I think that with the construction of any thesis
statement, you would have to go back to the original task or writing assignment and see
if there are certain elements that have to be integrated within it before you start
composing your statement.  Once you have done this, I think you should be able to
proceed away.  From a general standpoint, you could probably go in a variety of
directions with the idea of young people in love.  I think that you need to define what
you consider to be "power" and "passion."  In defining these terms in more specific
contexts, textual support can be used in explaining their implications.  An argument can
be made that it is the youthful zeal of both of them that ends up bringing the families
together at the end or that causes them to break family convention and seek to be with
one another in the first place.  An argument could also be made that the feelings of
love that both youths share does not really solve anything, as Romeo still kills even
though he is supposedly in love with Juliet.  He might feel awful about it, but the fact
remains, at that moment, familial bonds trumped young love.  I think that assessing what
is needed from the original assignment and then defining some of the terms in the thesis
in clearer contexts will help in constructing a solid thesis
statement.

Sunday, November 28, 2010

In "A Hunger Artist," suggest reasons why Kafka selected an expert in fasting and not a priest or a singer as the central figure in the story.

Franz Kafka's "A Hunger Artist" is a metaphor for the
yearning and alienation we all experience, to some extent.  A priest or a singer or a
painter or a sculptor or an author might just as easily have worked for the theme;
however, those professions would probably not have carried the metaphor as well as does
a hunger artist.  He is both something rare (an artist) and something familiar (one who
does and then doesn't eat).  He is like the rest of us yet separated from us.  The
metaphor is complete when, as he is dying, the Hunger Artist explains his consistent
dissatisfaction and alienation from life:


readability="9">

I have to fast, I can’t help it...because I
couldn’t find the food I liked. If I had found it, believe me, I should have made no
fuss and stuffed myself like you or anyone
else.



I just don't see how
that works with a priest or a singer--who might not find a song he likes but can then
make up his own song--because food is something the human body needs for sustenance.  By
cutting himself off from the life-giving substance, the Hunger Artist lives in
alienation, yearning, and dissatisfaction.

What happens during a Stroke?

The authors above have described the stroke.  The effects
of a stroke can be mild, severe, or fatal; if the person survives, he can show mild to
severe disability, or perhaps none at all.


A stroke can
occur anywhere in the brain, so any bodily function can be affected by the death of the
part of the brain responsible for it.  For instance, one entire side of the body can be
completely or partly paralyzed, while the rest of the body is healthy.  Or, the person's
speech can be damaged -- in a variety of ways -- while his movement is unimpaired.
 Similarly for vision: the sight of one eye can be destroyed, or the ability to
recognize an object (for example, to read) can be
damaged.


Often, a stroke can damage areas of the brain
responsible for cognition,  The person might be unable to talk, or unable to understand
speech, or unable to recognize faces, or unable to remember the names of
things.


Psychologists and neurologists can (and do) use
strokes as "probes" of how the brain functions.  If a person is unable to recognize
faces, but is otherwise healthy, and if the location of the damaged brain tissue can be
determined, the investigator can infer that that specific area of the brain is involved
in that specific part of cognition.


Sometimes the
neurological damage done by a stroke can be ameliorated using "neural plasticity":  the
ability of the nervous system to find a way around a difficulty.  This requires a good
therapist, a lot of practice by the person, and a great deal of
patience.


For more information, you might see the reference
below.

Friday, November 26, 2010

In Paulo Coelho's The Alchemist, what does Santiago's recurring dream symbolise?

In Paulo Coelho's The Alchemist,
Santiago (the boy) has a recurring dream. He believes it is a dream that portends his
eventual discovery of a great treasure, especially after speaking to the gypsy in
Tarifa. Santiago assumes (with good reason) that he will find treasure at the pyramids
in Egypt (which is the place he sees in his dream). When the young man visits the gypsy,
he does not yet know about his Personal Legend, watching for omens or speaking the
Language of the Universe. He thinks of the treasure only in terms of financial
gain.


However, when Melchizedek (the King of Salem) visits
Santiago and explains the concept of one's Personal Legend, the boy begins a journey
that he does not quite understand. Santiago believes that he will be wealthy in a
worldly way, but the dream symbolizes something much greater: it
represents the reward that Santiago will receive if he will stick to his goal to realize
his Personal Legend, which will involve watching for omens, understanding the natural
world around him (speaking the Language of the Universe) and even connecting with the
Soul of the World. While Santiago will eventually find a long-lost treasure, he will
find his real reward when he finally understands his place in the world, and falls in
love.


The dream symbolizes what we can achieve if we don't
lose sight of our hopes and if we don't give up, even when we are tempted to. If a
person gives himself (or herself) to the universe, he will be rewarded in enormously
significant ways—and financial gain will become secondary.

Thursday, November 25, 2010

At what points does the curve defined by y = x^3 – 3x + 3 have horizontal tangents.

To find the points at which the curve y = x^3 – 3x + 3
have the horizontal tangents.


If the tangents are
horizontal, then the slope dy/dx at that point is
zero.


=> dy/dx = (x^3-3x+3)' =
0.


=> 3x^2-3 =
0.


=> 3x^2=
3.


=> x^2 = 3/3 =
1.


=> x1= sqrt1, or x2=
-sqrt1.


So x1=1 , or x2 =
-1.


Put x= x1  in y= x^3-3x+3 to get
y1.


When x= x1 = 1, y1 = 1^3-3*1+3 =
1.


When x= x2 = -1, y2 = (-1)^3-3(-1)+3 =
5.


Therefore (x1,y1) = (1,1)
and (x2,y2) = (-1, 5) , dy/dx = 0 and the tangents are ||
to x axis or horizontal.

Calculate the price for a T-bill with a face value of $10,000, 153 days to maturity, and a discount yield of 1.74 percent.

T-bills are sold at a discount to the face value and the
person buying the T-bill makes a profit equal to the difference between the face value
and the market price.


The discount yield of a T-bill is the
percentage profit that a person buying the T-bill at the present market price would be
able to make at expiration.


In the problem given, the time
to expiry is 153 days. As the face value of the T-bill is $10,000, an investor gets
$10,000 after 153 days. For these problems the year is usually taken to have 360
days.


So the annual discount yield of the T-bill is given
by [(10000 – Price) / 10000]*(360 / 153)


This is given to
us as 1.74% or 0.0174.


So [(10000 – Price) / 10000]*(360 /
153) = 0.0174


=> [(10000 – Price) / 10000] = 0.0174*
(153 / 360)


=> (10000 – Price) = .0174* (153 / 360)*
10000


=> (10000 – Price) =
73.95


=> Price = 10000-
73.95


=> Price =
9926.05


Therefore a T-bill of face value
$10,000 bought at $9926.05, gives a discount yield of 1.74% in 153
days.

What are the figure of speech used in "Thanatopsis" by William Bryant?Can you please enumerate it with its corresponding phrase or phrases from...

You have clearly asked a big question here - the majority
of poems use a number of figures of speech, and so rather than go through each separate
example, I will identify a few and then hopefully this will help you to be able to go
back and analyse the poem further.


To me, one of the most
powerful figures of speech lies in the last few lines of the poem, where two similes are
used to show us how we should approach death:


readability="20">

Thou go not, like the quarry slave at
night,


Scourged to his dungeon, but, sustained and
soothed


By an unfaltering trust, approach thy
grave,


Like one who wraps the drapery of his
couch


About him, and lies down to pleasant
dreams.



Note how these
examples of figurative language are tied in very closely to the theme of the poem - we
must approach death with confidence and trust, safe in the knowledge that we are going
to re-join with nature. The last simile in particular is key in presenting an attractive
image of someone who has worked hard and is now merely getting the sleep and rest they
deserve after their toil, enjoying "pleasant dreams."


Hope
this helps! There are plenty of examples to pick out, and you might want to think about
the personification of Nature as a starting point. Good luck!

Wednesday, November 24, 2010

Discuss portia's character. How does she compare to the men around her? Is Bassanio a worthy husband for her?

In The Merchant of Venice, Portia must marry the man who
correctly solves the lottery devised in her late father’s will. Such laws are not
realistic but they set up revealing dramatic situations.Portia’s speech in The Merchant
of Venice (4.1) reflects her notion of freely granted mercy; Portia’s lines are run on.
Portia’s sentences also begin and end midline, creating strong midline pauses
(caesuras). Portia’s sentences vary greatly in length, reflecting the quality of
mercy. Portia’s father’s will displays a genuine concern of fathers. The casket plot
contrasts the three suitors. The prince of Morocco is a man of heroic exploit and
reputation. His love is merely the desire to have what every other man desires. The
prince of Arragon is a snob. He assumes that he deserves Portia. Like Morocco, Arragon
essentially chooses himself rather than Portia. Bassanio is a problematic hero since the
plot does not allow him to do anything heroic. This is a difficulty that recurs in high
comedy, which tends to stress not the manly and heroic values of courage and strength,
but the more womanly values of wit, grace, and civilized behavior. Thus, the leading
protagonists of high comedy tend to be women. Bassanio has been described as a
fortune-hunter out to gain Portia’s money in order to repay his debts. Shakespeare
describes Bassanio as a knight on a romantic quest. He displays generosity in small
matters. Bassanio’s heroism emerges in his choice. The song that precedes his choice
distinguishes between desire (“fancy”) and love. Bassanio is aware of this distinction.
The casket labels reveal the risk in love. Bassanio’s great generosity is to leave the
choice to Portia.

What are some important technological advances affecting food preparation.

There are, of course, tons of these, depending on how far
back you want to go.  To me, the most important technological advance affecting food
preparation is the electric stove and oven.  I cannot even imagine how much harder it
was to cook back in the days of wood stoves or even before
that.


This is especially true of the oven.  Nowadays, our
recipes are really specific about temperatures.  For example, when I make bread, I bake
it at 400 degrees for a while and then turn it down to 325.  If all I had was a wood
oven, I can't imagine how I would even know what 400 was, let alone trying to turn it
down to 325.  It must have been so much harder to bake back
then...

In "This is What it Means to say Phoenix Arizona", how Victor and Thomas serve as foils while adapting to living in two cultures? At least 3...

Victor is the "cool" Indian. He understands how to be
stoic and has a great capacity to feel sorry for himself because he is Indian and the
white people have stolen the Indians' land.


Thomas loves
being an Indian, he's funny and he's traditional. He likes to tell stories like the old
stereotypical Indian. This passage illustrates each of these features of the
boys:



Thomas
Builds-the-Fire had known that Victor's father was going to leave, knew it before
anyone. Now Victor stood in the Trading Post with a one-hundred-dollar check in his
hand, wondering if Thomas knew that Victor's father was dead, if he knew what was going
to happen next.


Just then Thomas looked at Victor, smiled,
and walked over to him. "Victor, I'm sorry about your father," Thomas
said.


"How did you know about it?" Victor
asked.


"I heard it on the wind. I heard it from the birds.
I felt it in the sunlight. Also, your mother was just in here
crying."


"Oh," Victor said and looked around the Trading
Post. All the other Indians stared, surprised that Victor was even talking to Thomas.
Nobody talked to Thomas because he told the same damn stories over and over again.
Victor was embarassed, but he thought that Thomas might be able to help him.
Victor felt a sudden need for
tradition.



This
passage demonstrates their difference but it also shows how in trying to deal with the
fact that he didn't have enough money, Victor changed and began to accept Thomas because
there might be a way Thomas could help.


As they encounter
society, they run into Cathy, a gymnast on the plane. Their worlds collide as Cathy
knows so little about their culture and they have varying views about talking to white
people.


This conversation soon begins to show each of their
character's main traits, and we also begin to see these traits compliment each
other:



"Hey,"
she asked. "You two are Indian, right?"


"Full-blood,"
Victor said.


"Not me," Thomas said. "I'm half magician on
my mother's side and half clown on my father's...


The three
of them talked for the duration of the flight. Cathy the gymnast complained about the
government, how they screwed the 1980 Olympic team by
boycotting.


"Sounds like you all got a lot in common with
Indians," Thomas said.



Upon
returning to the reservation, Victor realized how nice Thomas had been and how their
differences really made for a quality trip. Thomas had indeed helped Victor. Throughout
this passage, you should find a little more to demonstrate that they are foils of each
other and that it made the struggle into the white world worthwhile for them
both:



Victor
knew that Thomas would remain the crazy storyteller who talked to dogs and cars, who
listened to the wind and pine trees. Victor knew that he couldn't really be friends with
Thomas, even after all that had happened. It was cruel but it was real. As real as the
ashes, as Victor's father, sitting behind the seats.


"I
know how it is," Thomas said. "I know you ain't going to treat me any better than you
did before. I know your friends would give you too much shit about
it."


Victor was ashamed of himself. Whatever happened to
the tribal ties, the sense of community? The only real thing he shared with anybody was
a bottle and broken dreams. He owed Thomas something,
anything.


"Listen," Victor said and handed Thomas the
cardboard box which contained half of his father. "I want you to have
this."










WorkA boys drags a wooden crate with a distance of 12m, across a rough level floor at a constant speed of 1.5 m/s by pulling on the rope tied to...

The figure is
below.


a)


The force applied
can be decomposed into its horizontal and vertical
components.


`F_h = F*cos(alpha) =50*cos(25) =45.32 N`


`F_v = F*sin(alpha) = 50*sin(25) =21.13 N`


b)


The speed of the box is
constant, it means there is no acceleration. The sum of forces on the horizontal and
vertical axis need to be zero.


On the horizontal:
horizontal component of force need to equal the friction force `F_h = Ff =45.32 N`


On the vertical: the difference between the box weight and
the vertical force is equal to the reaction from the ground`G-Fv =N`


Since the mass of the box is not give one can not
determine the magnitude of these forces on the vertical
axis.


c) On the horizontal axis the work done by the
horizontal force (positive) is equal in absolute value with the work done by the
friction force (negative)


`W = F_h*d =45.32*12 =543.84 J`


On the vertical axis because there is no displacement the
work done by each of the three forces is zero.


d) As stated
above, the total amount of work done by all forces on the object is
zero.


e) Since the mass of the object is not given, the
coefficient of friction can not be determined.


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Sunday, November 21, 2010

In A Time to Kill, when a Memphis TV crew requests to be allowed to film the hearing, what does Judge Willard Bullard do?

The brief answer to this is that Judge Willard Bullard
does not allow the Memphis TV crew to film the preliminary hearing.  Bullard actually
goes a bit beyond just refusing to allow them to film the hearing.  He is extremely
angry when he finds out that the TV crew wants to film.


The
hearing in question is for Pete Willard and Billy Ray Cobb.  They are, of course, two
white racists who are charged with the rape of a 10 year old black girl, Tonya Hailey. 
Because of the sensational nature of the crime and the importance of race in America,
their case is going to be a big deal.  This is why the TV crew wants to film
it.


When Judge Bullard is handed a note containing the
request, he gets so angry that he rips the note into pieces.  He then orders that the
crew be thrown out of the courthouse altogether -- it is not enough for him to exclude
them from the hearing, he wants them out of the whole building.

Saturday, November 20, 2010

In Oedipus Rex, how does Oedipus struggle with free will?

Through most of the play, as far as Oedipus is concerned,
he isn't "struggling" with free will at all, he is acting upon it.  However, once the
real truth is unraveled, his free will and past actions based upon his own choices are
revealed as his tragic flaw -- the hubris of believing that
he could outsmart the gods and avoid the prophecy that he would "kill his father and
marry his mother."


Oedipus Rex is a
Tragedy in the true classical sense of the word, which means that Oedipus must be the
architect of his own demise, not a victim of circumstance.  This sets him up for a
struggle with the pre-ordained oracle from the gods, suggesting that Oedipus, if we
observe his actions as representative of the human struggle, is destined for his
downfall because he attempts to act upon his own impulses (or free will), rather than
acting in service to the gods.


So, it is Oedipus' false
sense of free will that sets him up for tragic consequences in the following
ways:


  • He leaves the home of his assumed father,
    Polybus, when he learns that there is a prophecy that he will kill his father and marry
    his mother. He hopes to avoid this outcome by this action, not knowing that Polybus is
    his adopted father.

  • While out on the
    road, he meets a man who is just as stubborn as himself and refuses to move and allow
    Oedipus to pass.  In a rage, he kills this mysterious man (so like himself) -- the man
    later revealed to be his natural father,
    Laius.

  • He next solves the riddle of the Sphinx and wins
    the hand of the widowed Queen of Thebes, Jocasta, and they marry.  Later, he discovers
    that Jocasta was Laius' widow.

  • And he finally learns the
    truth of his adoption, making the connection that Jocasta is, in fact, his
    mother.

Ultimately, it is Oedipus' attempt to
rely upon his free will, rather than his struggle against it, that seals his doom.  This
Greek Tragedy follows the standard party line:  No human can escape his fate as it is
predicted by the gods, and woe to him that might attempt to do so!  The force that
Oedipus struggles against throughout the play is the will of the gods as made manifest
through the prophecy about his future.

Verify if the equation has solution? 5^4x-2*25^x+1=0

The given exponential equation requires
substitution technique to compute it's
roots.


Now, we notice that 25  =
5^2


We'll re-write the equation
as:


5^4x - 2*5^2x + 1 = 0


It
is a bi-quadratic equation:


We'll substitute 5^2x by
another variable.


5^2x =
t


We'll square raise both
sides:


5^4x  =t^2


 We'll
re-write the equation, having "t" as variable.


t^2 - 2t + 1
= 0


The equation above is the result of expanding the
square:


(t-1)^2 = 0


t1 = t2 =
1


But 5^2x = t1.


5^2x =
1


We'll write 1 as a power of
5:


5^2x = 5^0


Since the bases
are matching, we'll apply the one to one property:


2x =
0


We'll divide by 2:


x =
0.


The equation has a solution and it  is x =
0.

In "Les Miserables," how does the attitudes and actions of one character make a difference in making the world a better or worse place?I need this...

Consider that the actions of the Bishop are the catalyst
to the change in Jean Valjean, which in turn begins a chain reaction of positive changes
in many lives throughout the novel.


Through his
interactions with the Bishop, Jean Valjean experiences forgiveness and love in a way
that he never has before in life.  The single moment of forgiveness (and ultimately,
giving him back his freedom) displayed in the scene of the stolen silver sparks a change
in Jean Valjean that grows and overflows.  As the Monsieur the Mayor, Valjean singly
changes the economy of one small town and gives hope and life to many poor and oppressed
people through the provisions of work and a fair salary.  He then reciprocates love (and
forgiveness) to Fantine, by vowing to take care of her daughter.  He pours unconditional
love into Cosette, and though he lives his life on the run, continues to financially
assist many in his path.  His personal life conversion is manifested in his willingness
to help those who cannot help themselves, forgive those who may not deserve forgiveness,
and love those who were unlovable.

What does Wilde present about art as an imitation of life through The Picture of Dorian Gray?

In The Picture of Dorian Gray there
is a clear relationship between art and life in that Dorian Gray himself, lured by Lord
Henry Wooton, decided to experience "sensations" and to seek out for the ultimate
representation of beauty in its most aesthetically sophisticated
forms.


Art and Life are intertwined in that Dorian
basically gave his soul in exchange for youth, and that all the evils of his life,
sickness, disease, and age be all transferred to the painting made by his friend, the
artist Basil Hayward.


There is also another element: Love
and obsession. Basil was obviously sexually and psychologically infatuated by Dorian
Gray. In his immense adoration, as Basil said himself, he "gave too much of himself into
his art". Perhaps the fusion between love and magic were the elements that made the
magic supernatural. Add to this Dorian's own hedonism combined with Lord Henry's luring
into the essences of evil what made life imitate art while art was trying to imitate
life.

Chromatography is a commonly used technique in forensic science. Describe the science behind this technique. Use scientific language as appropriate.

Chromatography is a process used for separating the
substances that make up a mixture, when the concentration of such substances is very
low. Thus chromatography is used in forensic science to detect and measure presence of
specific substances in very small quantities in objects collected as
evidence.


Chromatography achieves separation of different
substances in a mixture by passing the mixture through an adsorbent material. The
adsorbent material has the property of attracting various substances in the mixture to
different extents, causing them to separate from one
another.


There are several chromatographic methods.  Three
of the most commonly used are liquid-column, thin-layer, and gas chromatography. In
liquid-column chromatography, a column of adsorbent material in a tube is used.  A
sample of a mixture under examination is placed at one end of the column.  Then a fluid
called an eluant is poured through the column.  The individual substances in the mixture
move through the column at varying rates because of the difference in their tendency to
be absorbed.  This makes it possible to collect each substance separately as it emerges
from the column or is removed from the adsorbent
material.


Thin-layer chromatography uses a thin film of
adsorbent material on a flat plate.  A sample of the mixture under study is applied near
one edge of the plate.  This edge is brought into contact with the eluant, which moves
upward through the adsorbent material.  The substances in the mixture separate on the
plate.


Gas chromatography is used in analysing gases and
substances that can be easily converted into gases when heated. It is similar to gas
chromatography except that a gas such as helium is used as the eluant to move the
gaseous mixture through a column of adsorbent material.

Friday, November 19, 2010

Describe the differences between Christianity and the religion of the Igbo community in Things Fall Apart.

Well, given the massive differences between the Christian
religion and the tribal religion, it is clear that the arrival of Christianity would
greatly impact traditional religious norms. In Chapter 16 we are given a very clear
explanation of the differences between the two different religions. As the missionary
talks to the tribe through an interpreter, he answers their questions about his faith.
Two questions in particular come up that show the differences, firstly focussing on the
monotheistic (having only one god) element of
Christianity:


readability="10">

At this point an old man said he had a question.
"Which is this god of yours," he asked, "the goddess of the earth, the god of the sky,
Amadiora of the thunderbolt or
what?"



The missionary
responds that the plethora of gods the tribe has are not gods at all, and there is only
one true God: the God of Christianity. The next question deals with the worship of
ancestors, as another member of the tribe asks how they will be protected from the wrath
of these neglected deities and the ancestors if they worship this new god. Note how the
missionary responds:


readability="7">

"Your gods are not alive and cannot do you any
harm," replied the white man. "They are pieces of wood and
stone."



This is greeted by
hilarious laughter by the tribe, as to them their gods are definitely not harmless.
However, these two central issues become incredibly important when we think about the
impact of Christianity upon tribal religion, as we can see the massive gulf in
understanding that exists between the two groups. The missionaries, by trying to impose
Christianity, set themselves up against beliefs that go to the very core of the tribal
religion and therefore create massive conflict.

In the Narrative of the Life of Frederick Douglass, how was his life with Mr. Covey? How did Douglass' life change by living with Mr. Covey?

This section of Douglass' narrative deals with his year
with Edward Covey, a "slavebreaker".  This man was too poor to own slaves himself, so he
made his reputation on training rebellious slaves to "mind their masters". Douglass was
one such slave.


His life with the slavebreaker was harsh
and unforgiving.  He was beaten horribly on several occasions for minor offenses, the
first being that, being a city slave, he did not know how to handle oxen, and he broke a
cart and a gate when gathering wood for Mr. Covey.  The beating was so severe that welts
on his back were sore and bleeding for weeks afterwards. He said of the
beating:



I
lived with Mr. Covey one year. During the first six months, of that year, scarce a week
passed without his whipping me. I was seldom free from a sore back. My awkwardness was
almost always his excuse for whipping
me.



Most importantly though,
is Douglass' tragic admission of how Covey succeeded in breaking his spirit, and the
reader is reminded of how absolutely crushing the weight of slavery must have been, to
take away the spirit of a man with such great intellect and potential.  Admitted
Douglass:



If
at any one time of my life more than another, I was made to drink the bitterest dregs of
slavery, that time was during the first six months of my stay with Mr. Covey... I was
somewhat unmanageable when I first went there, but a few months of this discipline tamed
me. Mr. Covey succeeded in breaking me. I was broken in body, soul, and spirit. My
natural elasticity was crushed, my intellect languished, the disposition to read
departed, the cheerful spark that lingered about my eye died; the dark night of slavery
closed in upon me; and behold a man transformed into a
brute!




What does Calpurnia try to convince Caesar of?

The scene, Act II, scene 2, begins with thunder and
lightening.  This is never a good sign.  Calpurnia, Caesar's wife, has been disturbed by
dreams of Caesar's death, crying out three times, "Help, ho, they murder
Caesar."


Added to this are other strange things that have
been reported.   For example, it was reported that a lioness had welpred in a street in
the city, graves were said to have opened releasing their dead, firece fights in the
clouds were reported which drizzled blood on the capitol, and other reports of unnatural
happenings.


It was also the Ides of March and Caesar had
been warned to beware that date.  All this added together meant the signs were not good
and it would be wise for Caesar to stay home.  Calpurnia even tells Caesar that he could
use her for the reason he would not go to the
Senate.


Unfortunately for him, he does not listen to his
wife or pay heed to the evil omens.  He believes that he is greater than it all and he
pays the price with his life.

Thursday, November 18, 2010

In "Burning Bright" of Fahrenheit 451, to what vocation do the wilderness people devote themselves?

I am not sure I would call it a vocation, exactly.  At
least, it is not like these people are pursuing something as a job.  But if you are
using the term "vocation" in the sense that a priest or a nun is said to have a vocation
-- as a higher calling to do something, I guess it makes
sense.


Anyway, what these people are doing is wandering
around until (they hope) they get a chance to reform society.  They have each memorized
a book or a part of a book.  This is their vocation -- to keep that book "alive" until
they get the chance to share that book with their society after their society has
changed enough to allow that.


So I suppose their vocation
is memorizing books in an attempt to have the chance to renew and remake their society
some time in the future.

What are the tasks/jobs each caste in the caste system carry out in Brave New World?

In Aldous Huxley's Brave New World,
there are five genetically-dictated castes that inhabit the New World.  In the supposed
utopia, these predestined humans are named after the letters of the Greek alphabet: 
Alphas, Betas, Gammas, Deltas,
and Epsilons. 


ALPHAS


The
upper castes such as the Alpha Pluses and Alphas are bred for managerial positions. 
They have been given creative powers, but they have been conditioned to abhor books and
nature.  The Director of the Hatchery is an Alpha, for example, as are Bernard Marx and
Helmholtz.


BETAS


Not as
intelligent as Alphas, Betas also can be minuses and pluses.  They have had some
decanting (reducing of the oxygen), but are able to hold jobs that require
intelligence.  Lenina is a Beta.  Like other Betas and Alphas, Lenina is taught to hate
Gammas, Epsilons, and Deltas.  She makes the comment that she is glad that she is a
Beta



because
they're so frightfully clever.  I'm really awfully glad I'm a Beta, because I don't work
so hard.  And then we are much better than the Gammas and Deltas.  Gammas are stupid. 
They all wear green, and Delta children wear khaki.  Oh no, I don't want to play with
Delta children.   And Epsilons are still worse.  They're too stupid to be
able..."



GAMMAS - this caste
is dressed in green


DELTAS - this caste is dressed in khaki
and other castes are conditioned to hate khaki.


EPSILONS -
this group has very little intelligence.


The Gammas, the
Deltas, and the Epsilons have the menial jobs.  There are many of them bred to do these
jobs such as running elevators and cleaning floors.


All the
groups are conditioned through electric shock and hypnopoedia, sleep conditioning. 
Sexual entertainment is also encouraged in the new world.

Wednesday, November 17, 2010

Which part of the Canterbury Tales- the “Prologue” or the two tales-did you find the most enjoyable or interesting? Give reasons for your choice?

This is clearly a question you must answer for yourself. 
Here are a few questions you can ask yourself to help you decide what your answer will
be.


1.  Did you enjoy meeting all of these medieval
characters?  Did you feel like you learned something about people in the age of
Chaucer?


2.  Did you enjoy trying to figure out who were
the good guys and who were the bad guys?


3.  Did you enjoy
the irony of several of the characterizations?


4.  Did you
find yourself intrigued by any of the specific characters and then want to read their
tale specifically?


5.  Did you enjoy trying to figure out
Chaucer's satirical targets in several of this
character's/characterizations?


OR...


6. 
Did you enjoy how the prologue to a tale related to the tale
itself?


7.  Did you enjoy the genre of specific tale? (ie.
fairy tale, fable, mock heroic, comedy/joke)


8.  Did you
enjoy how the tale told related to the characterization of the person telling the
tale?


9.  Did you understand the tale's plot, theme,
moral?


10.  Could you see any interrelationship between the
different tales?  (ie, about marriage, about pride, about
revenge)



Your answers to these questions will
help you decide where you found the most pleasure.  If you mostly enjoyed #1-5 then you
are a "Prologue" person, if 6-10, then you are a "Tales" person.  You might also ask
yourself, what are you most likely to remember from your study of this work?  Why do you
think you were asked to read/study it in the first place?  Where does Chaucer really
seem to shine in terms of writing talent?  Those answers may help you as well!  Good
Luck!

CALCULATING OBJECTS THROWN IN THE AIR !link to the graph: http://www.mediafire.com/imageview.php?quickkey=sda35fx1cibzxgl&undefined&r=ustag 1)...

a)


Definitely there is a
pattern in the graph. A stone projected upwards , reaches greatest height  125 (appr)
 at around 5 seconds and then begins to fall. If we draw a vertical from the vertex
(greatest height of 125 around) ,  then the curve is symmetrical about this vertical
line. The the height travelled in every succesive equal interval is diminishing till the
greatest height is reached and then it increases while
falling.


The  values  taken below is from the graph by the
eye judgement and so is approximate
only.


b)


At t=2 and t = 8, the
graph is very clearly near round figure.


For us it looks
that at t = 2,  H(2) = 79 and at t = 8 , H(8) = 81.


Also we
know that H(t) = ut-(1/2)gt^2 , where u is the initial velocity , g is the acceleration
due to gravitation.


We estimate the u and g from the
graphical positions  of (t, H(t)) at  t = 2 and t =8 which looks better accurate points
from visual accuracy.


H(t) =
ut-(1/2)t^2.


H(2) = 2u -2g =
79.......(1).


H(8) = 8u -32g =
81......(2).


16eq(1) - eq(2) gives 16(2u-2g)-(8u-32g) =
79*16-81 = 1183


24u =
1055


u = 105/24 = 49.2917
m/s


4(1) - (2) gives 4(2u-2g)-(8u-32g) =
79*4-81= 235


24g =
235


g = 235/24 = 9.7917
m/s^2.


Therefore , H(t) = 49.2917t -
(1/2)9.7917t^2 is the equation.


From this , when H(t) = 0.
Or 49.2917t - (1/2)9.7917 t^2 = 0


t(49.2917 -
(1/2)(9.7917)t) = 0


So t = 0, 
or


49.2917 - (1/2)9.7917t = 0. or t = 2*49.2917/9.7917 =
10.068 secs approximately.


Hope this
helps.

In "I Know I'm Not Sufficently Obscure", what are the references to in Ray Durem's poem?


readability="4.3373493975904">

Top
Answer




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The references are
to a “lavender word,” a black soldier, and “an autumn leaf.” The first and third are
often indicative of peace, even though a “lavender” word suggests that the speaker might
be suggesting that traditional poets are effeminate. The “lavender word for lynch” thus
creates a jarring contrast between two traditions. At the end, the visual image of the
body in the tree indicates the speaker’s idea that poetry should lead to political
action. The specifics of political oppression may have changed since 1962, the year in
which “I Know I’m Not Sufficiently Obscure” was published, but social inequality and
bigotry persist. Thus, Durem’s speaker mentions “rebellion” twice, with the clear
implication that poets should become involved in the battle for social justice.












Find the critical number of the function. 1. f(x) = 5x^2 + 7x

To find the critical values  of the function f(x) =
5x^2+7x.


Solution:


Critical
points of the functions are those points where the tagents are to the curve is either
parallel to x axis or vertical to the x axis, or  where the curve crosses the
axis.


The tangents are parallel to x axis  when f'(x) =
0.


Critical values of a function are the values of the
function at critical points.


f(x) =
5x^2+7x.


The curve crosses x axis when  f(x) =
0.


So f(x) = 0 gives 5x^2+7x = 0. Or x(5x+7) = 0 .
Therefore x= 0 or 5x+7 = 0 gives x = -7/10. Therefore x = 0 is a critical point, and x =
-7/5 is also a critical point.f(0) = 0 and f(-7/5) = 0 are  the critical
values.


Now consider for the critical points  when f'(x) =
0. Or when (5x^2+7x)' = 0. Or  when (5*2x+7) = 0. Or 10x = -7. So x = -7/10. Therefore x
= -7/10 is a critical point where  dy/dx = 0 . So x= -7/10 is a  critical point where
the tangent to the curve f(x) = 5x^2+7x is || to x axis. The critical value
corresponding to the critacal point x = -7/10 is f(-7/10) = 5(-7/10)^2 +7(-7/10) =
-2.45.

Tuesday, November 16, 2010

In Othello, when does Emilia choose to be silent and when does she choose to speak up?

Emilia is silent when Desdemona wonders aloud where her
handkerchief is, and Othello questions Desdemona about it.  Emilia knows that she has
stolen the handkerchief and given it to Iago.  But she has no idea what Iago is planning
to do with it.  When Desdemona worries about the lost handkerchief, Emilia probably
considers it a "trifle" and remains silent (Act 3, scene 4). In Act 5, it is Emilia's
revelation that she was the one who stole the handkerchief at Iagoa's request that
unravels Iago's scheme and exposes Iago for the villain that he is.  Throughout the
play, Iago has cautioned Emilia to hold her tongue.  At the end of the play, Emilia
disobeys him.  This disobedience costs her her life, but she does not die in
vain. 

What are the contrasts between the characters Tom Robinson and Boo Radley in the novel To Kill A Mockingbird?

Great question! Tom Robinson is depicted in the novel as a
well-meaning and polite black man whose kindness gets him into trouble when Mayella
Ewell declares that he raped her. This only happens because he was trying to be kind as
he recognised that way that she was left to look after the home without any support and
gave her what help he could. When he is questioned, he makes the mistake of saying that
he felt sorry for her, which antagonises the white men in the jury because a black man
should not feel sorry for a white girl. The hypocrisy of the jury is shown by their
decision to convict him as guilty of the crime of rape, which carries the death
sentence, even though it is obvious he is innocent. Unfortunately, because he does not
believe in the ability of "justice" to save him on appeal, Tom Robinson tries to escape
and is shot dead.


Boo Radley is an interesting character
because he leaves his mark on the novel even though he only appears at the very end.
Legends and myths about Boo Radley abound, such as the way he wanders around at night
and eats cats and other animals. He, like Tom Robinson, is something of a social
outcast, but not because of his skin colour. He has spent a long time not going out of
his house at all, as when he was a teenager a prank he carried out caused his father
(now deceased) to put him under house arrest. Boo clearly dominates the imaginations of
the children in the novel as they play games around his stories and dare each other to
go up to the house. Boo is described as being in many ways similar to Tom Robinson. In
spite of his treatment at the hands of his father, he is shown to be a loving and gentle
individual who delights in acts of kindness, characterised by what he leaves for Scout
and Jem in the hole of the tree. He plays a key role in rescuing the children at the end
from Bob Ewell's attempted murder. What is interesting to note is that the fear that the
children have of Boo Radley, which of course is based on complete ignorance rather than
the facts, mirrors the prejudice of the town against Tom Robinson. Interestingly this
connection is emphasised by the use of mockingbird imagery for both
men.


So, when we think about these two characters, it is
clear that although the central difference is their skin colour, there are many
similarities concerning their position as outsiders or outcasts within their own society
and the way that they are treated by their society.

Monday, November 15, 2010

How are messages via the Blackberry messenger transmitted over the network?

The Blackberry Messenger allows a real time exchange of
messages between two or more people who have the messenger software loaded on their
Blackberry smart phones.


The way messages are transmitted
when the Blackberry messenger is used differs from that of normal messengers. In most
messengers, a user needs to contact the server of the messenger service provider only
the first time, when they log on. The server identifies the contacts of the user who are
logged in and provides their IP address; the user’s IP address is also provided to the
contacts. Once this is done the server has no role to play and users chat by directly
contacting each other.


In the BlackBerry messenger on the
other hand, all messages sent and received are routed through servers of Research In
Motion, which manufactures Blackberry phones.


These servers
are always present as intermediaries when users chat. It is therefore essential to have
an internet connection that allows access to the servers if a person wants to use the
messenger.

Sunday, November 14, 2010

What is the point of intersection of 3x + 19y =7 and x + 2y = 1

To find the point ofintersection of the
lines:


3x+19y = 7 and


x+2y =
1.


The cooordinates of any point on a line should satisfy
the equation of the line. Therefore the coordintes of point of intersection of the lines
should satisfy both the llines. In other words, if we solve equation simultaneously, the
solution is the coodintes of the intersection point of the given
lines:


We solve by substitution
method.


3+19y = 7. Therefore 3x = 7-19y. So , x =
(7-19y)/3. We substitute  x= (7-19y)/3 in the other equation x+2y =
1.


(7-19y)/3+2y = 1.


Multiply
by 3 :


7-19y+6y = 3


7 -13y =
3.


-13y = 3-7 = -4.


y = =
-4/-13 = 4/13.


Substitute  y = 4/13 in 3x+19y = 7:
3x+19(4/13) = 7 :


3x = 7-19(4/13) =
15/13


x = (15/13)/3 =
5/13


Therefore x = 5/13  and y =
4/13.


Therefore the point of intersection is P whose
coordinates are (5/13 , 4/13).

Saturday, November 13, 2010

In A Tale of Two Cities, what rhetorical devices does Dickens use to portray the weaknesses and vices of the French aristocracy in Book 2 Chapter 7?

The presentation of the aristocracy in this novel range
from the menacing and cruel to the absurd. Your selected Chapter presents one of the
more absurd examples, when we are presented with
Monseigneur:


readability="13">

Monseigneur was in his inner room, his sanctuary
of sanctuaries, the Holiest of Holiests to the crowd of worshippers in the suite of
rooms without. Monseigneur was about to take his chocolate. Monseigneur could swallow a
great many things with ease, and was by some few sullen minds supposed to be rather
rapidly swallowing France; but, his morning's chocolate could not so much as get into
the throat of Monseigneur, without the aid of four strong men besides the
Cook.



This passage is clearly
dripping with irony - note the ironic religious allusion to the "Holiest of Holiests",
clearly indicating the absurdly high prestige and position in society that Monseigneur
had. Also note the "few sullen minds" that comment how Monseigneur is in danger of
swallowing France - reducing it to a state of absolute poverty while he drinks deep. The
absurdity of the necessity for four strong men to convey Monseigneur's chocolate is
likewise highlighted.


This is just one example, of course.
If you read the rest of the chapter you will hopefully be able to identify plenty more
examples of how Dickens presents the weaknesses and vices of the French aristocracy in
an amusing light, using this example to guide you. Good luck!

Thursday, November 11, 2010

What does the storyteller say about human pride in "The Scarlet Ibis"?

The end of the story tells us much of human pride in terms
of results. If we let our goals and ambitions get the better of us, we can likely
destroy that which matters to us the most.


readability="10">

"Doodle!" I screamed above the pounding storm
and threw my body to the earth above his. For a long time, it seemed forever, I lay
there crying, sheltering my fallen scarlet ibis from the heresy of
rain.



It can lead to the most
dramatic moments of terrible failure and pain.


Referring
specifically to other places in the text, the brother in particular began to believe
himself invincible in terms of what he could do with
Doodle:



Once
I had succeeded in teaching Doodle to walk, I began to believe in my own
infallibility
, and I prepared a terrific development program for him,
unknown to Mama and Daddy, of course. I would teach him to run, to swim, to climb trees,
and to fight.



To see no end
to one's own capability is a dangerous thing, especially when going against the advice
of an expert. Sure, Doodle had beat the odds and expectations before, but that didn't
mean it would happen every time. Humankind, no matter how capable, is all bound by
mortality.


One of my favorite quotes about pride in this
piece comes directly from the author:


readability="10">

All of us must have something or someone to be
proud of, and Doodle had become mine. I did not know then that pride is a wonderful,
terrible thing, a seed that bears two vines, life and
death.



To think of pride
metaphorically like this as a seed with two vines we realizes two forces might be
fighting with each other over our abilities and choices within us. To be prideful can be
both bad and good. Under certain circumstances, like when doing school work, it is
important to take pride in your work. Under others, like when showing someone how much
more attractive you are than them, pride is ugly.


Hope
these thoughts help.

Wednesday, November 10, 2010

What is the tone of "Wellfleet Sabbath"?

While elsewhere one may note tones of irony or even anger
and also tentativeness in Piercy’s poems, here the dominant mood is one of satisfaction.
Among words for the outdoors that suggest calm and serenity are “softly feathered,”
“sailing free,” “purrs and rolls over,” and “fresh clean night,” for these indicate a
metaphorical aura of benign Nature and domesticity. One need look no further than the
fourth stanza for the same interior mood. Dinner candles flicker between the phlox (a
bouquet) and the roast chicken, illumined also by shining red wine. The key word is
“Shekinah” suggesting that the divinity manifesting itself in the external world (of the
summer day in Wellfleet) is also present in the internal world of the Sabbath where the
presence of divinity is being celebrated.

Solve for x if (-sin x)^4+(cos x)^4 =1. Please explain with all steps.

To solve (-sinx)^4 + (cosx)^4 =
1:


We know (cosx)^2 +(sinx)^2 = 1 , the trigonometric
 identy.


To solve the equation we put on the right 1=
{(sinx)^2+(cosx)^2}^2.


Then (-sinx)^4 +(cosx)^4 =
{(sinx)^2+(cosx)^2}^2.


Then (sinx)^4 + (cosx)^4 = (cosx)^4
+  2(sinx)^2*(cosx)^2 +(cosx)^4 , as the coefficient (-1)^4 = 
1.


0 = 2(sinx)^2 (cosx)^2. Other terms
cancel.


(sinx)^2 = 0. Or( cosx)^2 =
0


sinx = 0. Or cosx =  0


sinx
= 0 gives: x =  npi, n =0,1,2,...


cosx = 0 gives: x = (2n +
or - 1)pi  , n = 0, 1,2,.

Tuesday, November 9, 2010

What is a good thesis statement for an essay about the play Antigone by Sophocles?

The following thesis statement once upon a time served me
well:


A major theme of Antigone is the conflict between
religious law and man-made law.


Antigone believes in the
supremacy of religious law and tradition.  Although King Creon has decreed that the
traitor Polyneices should not be buried, Antigone insists on following the religious law
requiring that females bury the deceased of their
family.


The poet Teiraisias warns
Creon:



You
have dishonored a living soul with exile in the tomb,/hurling a member of this world
below./You are detaining here, moreover/a dead body, unsanctified, and so unholy ,/a
subject of the
nethergods.



Creon, however,
insists that Antigone has commited "open rebellion," and that if he does not put her to
death he will betray his responsibility to his
subjects:


readability="10">

Since I caught her, alone of all entire(665)

people, in open rebellion, I will not
make myself a liar to the
city,
but kill her.


How did Frost use language to deliver the theme in his poem 'Out Out'

Frost's diction reveals that death can be random and life
can be insignificant. His diction sets up in lines 1–8 images of sound (onomatopoetic
snarled and rattled), smell (sweet-scented stuff), and sight (dust, sticks, mountains)
that evoke the instant and the immediate. Our sense of the instant is expanded in lines
9–14; we learn that the day has been uneventful, work is over, and it’s supper time. The
boy’s hand is severed by accident in one moment of inattention. The poem is structured
by stages toward death; each one is unanticipated. The rueful laugh and the spoiled life
are followed by fading pulse (No one believed) and then death. No one understands what
is happening; the death, like the cut, is a product of chance. Those who turned to their
affairs (we don’t know who they are) but may be the emergency room attendants of doctors
and nurses, underscore the insignificance and randomness of chance
events.

Sunday, November 7, 2010

"No sin goes unpunished": How is this truth proven in the story "The Tell-Tale Heart"?Edgar Allan Poe's "The Tell-Tale Heart"

In his 1885 study of Poe, George Woodbury considered "The
Tell-Tale Heart" no more than "a tale of conscience."  While subsequent critics have
found much more to Poe's story than this, they do acknowledge, nevertheless, that the
element of conscience is what brings the narrator to his confession.  Significantly,
then, Poe's title "The Tell-Tale Heart" is a double entendre:  The
heart of the old man whose eye has offended the narrator continues
to beat loudly enough to be a tell-tale, or a "tattle-tell" and reveal his body's
presence; and, when the police come to inspect, the narrator's conscience, or the
heart of the narrator, causes him to confess his
dastardly deed; hence, "no sin goes unpunished."

Saturday, November 6, 2010

What are the positive and negative effects of Charlie's surgery?

Some of the positives are that Charlie becomes a more
productive member of society, Strauss and Nemur's research is progressing, and that this
treatment might prove to be hopeful for future
candidates.


Once Charlie gains his intelligence (and also
before he returns to his "old" state), he is able to function as a "normal" human being
- he is responsible, knowledgeable, and shows a determination to learn and develop. 
Also, the research makes a significant advancement, now that it has been tested on
humans.  Although it ultimately results in regression, it can now be studied further and
perhaps improved to minimize or eliminate this threat in subsequent
attempts.


As for the negatives, the test is not fully safe
as of yet, as we see in both Algernon and Charlie.  Also, it can be argued that this
change in Charlie's intelligence causes changes in other people's lives - his co-workers
can no longer mistreat him, he loses his job, Alice must question her own feelings, etc.
(although this might not necessarily be considered a negative effect!).  Finally, the
adverse side effects prove to be quite dangerous.

Solve the binomial equation x^3 + 8 = 0

To solve the binomial equation, we'll apply the formula of
the sum of cubes:


a^3 + b^3 = (a+b)(a^2 - ab +
b^2)


a^3 = x^3


a =
x


b^3 = 2^3 = 8


b =
2


x^3 + 8 = (x+2)(x^2 - 2x +
4)


If x^3 + 8 = 0, then (x+2)(x^2 - 2x + 4) =
0


If a product is zero, then each factor could be
zero.


x + 2 = 0


We'll subtract
2 both sides:


x1 =
-2


x^2 - 2x + 4 =
0


We'll apply the quadratic
formula:


x2 = [2 +
sqrt(4-16)]/2


x2 =
(2+2isqrt3)/2


We'll factorize by
2:


x2 =
2(1+isqrt3)/2


x2 =
1+isqrt3


x3 = 1-
isqrt3


The roots of the
equation are: {-2 , 1+isqrt3, 1- isqrt3 }.

Friday, November 5, 2010

In The Witch of Blackbird Pond, what is John's warning?

You haven't really specified what particular warning you
are referring to here, so I have had to assume it is in Chapter 2, when Kit is talking
to John Holbrook about her aunt. Kit tries to recall what she has been told about her
Aunt Rachel, who she has never actually met, by her mother, and paints a romantic
picture of this unknown figure, saying:


readability="5">

"My mother remembered that she was always
laughing."



Yet, at this
stage, it is John Holbrook who injects a more realistic sober note into Kit's
reflections and situation by saying:


readability="6">

"Don't forget, your aunt has been away from
England for a long time."



Kit
picks up an "intangible warning" in these words, even though she is not able to
interpret it. To my mind, John is referring to the realities of Puritan life and the
hard work of settlers who had to toil on the land to make ends meet. Such a brutal,
harsh life would be more than enough to stop people from laughing all the
time.

Thursday, November 4, 2010

Suppose U=N is the universal set. Let A={1,2,3,4}, B={3,4,5,6,7}, C={6,7,8,9} Find the complements of A,B,C and A-B, B-C, B-A.

Let's recall the definition of the
absolute complement.


The complement of a set is the set of
elements that belong to the universal set but do not belong to the
set.


According to the rule of complement, the complement of
A is the set of elements that belong to U but do not belong to
A.


U = N


N =
{1,2,3,....,n,....}


A =
{1,2,3,4}


complement of A =
{5,6,7,8,,...,n,...}


B =
{3,4,5,6,7}


complement of B =
{1,2,8,9,10,....,n,...}


 C =
{6,7,8,9}


complement of C =
{1,2,3,4,5,10,...,n,...}


The
difference between 2 sets is the set of elements that belong to the first set but do not
belong to the second set.


AB = {1,2,3,4}
{3,4,5,6,7}


AB =
{1,2}


BC = {3,4,5,6,7}
{6,7,8,9}


BC =
{3,4,5}


BA = {3,4,5,6,7}
{1,2,3,4}


BA =
{5,6,7}

Wednesday, November 3, 2010

How did America's fight against communism affect the U.S. (1946-1990)?

In my opinion, the main impact of the fight against
communism was that it served to weaken the US in terms of its ideals.  I think that the
US had to retreat from its ideals a bit just as it is having to retreat from its ideals
today in the "War on Terror."  I am not saying the US should not have fought communism,
I am just saying that this is an impact.


The Cold War
weakened our ideals in a couple of ways:


  • First,
    it weakened our dedication to free speech and freedom of expression.  For parts of the
    Cold War, dissent was equated with lack of patriotism or with out-and-out treason.  We
    came to think that Americans had to think/believe certain things.  This is not in
    accordance with our ideals.

  • At the same time, it weakened
    our dedication to supporting human rights and democracy around the world.  During the
    Cold War, we supported all sorts of nasty governments simply because they were not
    communist.  By doing so, we backed away from the idea that we should act according to
    our ideals of freedom and liberty -- that we should try to bring those to people around
    the world.

I am unable to understand the following question and its solution related to "sets".Please explain it for me.Question-Let A, B and C be three sets....

The given proposition that is A o B and B 0C is true ,
then A o C need not be true.


We opt for to be & (
meaning intersection in set language).


Example : A = {1, 2
, 3} , B = { 1,2,3,4,5}, C = {4,5, 67}.


Then A & B
= {2,3} is true. Or A intersects B is true.


 B & C
= {4,5} is true . Or B intersets C is true.


But the A
intersects B and Bintersects C are both true inthe example. But this does mean  or imply
A intersets C. So A& C is false.


Given solution in
the posted problem:


A = {1}


B=
{{1}, 2} is not correct. {1} is a set and can not be an element
.


C = { {1}, 2, 3}. The defintion of this set is not
correct. {1} is a set . 2 and 3 are elements.


A set of sets
is a class. So B and C are neither sets nor classes.

Tuesday, November 2, 2010

When Juliet is left wth her mother and the nurse, how do their responses about the situation differ?

Two things: Ask one question at a time and cite the Act
and scene you want and answer from. Otherwise we edit your question down to one, and
have to guess where you are asking from.


When Juliet is
left with her mom and the Nurse, Lady Capulet says:


readability="7">

Talk not to me, for I'll not speak a
word:
Do as thou wilt, for I have done with
thee.



She is essentially
saying that she is washing her hands of Juliet. She doesn't care anymore. She doesn't
want to even talk about it anymore.


The nurse is much more
compassionate demonstrating that their relationship is much tighter than Juliet and her
mother's. Juliet asks for advice and the Nurse lovingly gives advice that is genuine
based on the situation:


readability="14">

Faith, here it is.
Romeo is banish'd;
and all the world to nothing,
That he dares ne'er come back to challenge
you;
Or, if he do, it needs must be by stealth.
Then, since the case
so stands as now it doth,
I think it best you married with the
county.
O, he's a lovely
gentleman!



Juliet doesn't
like this answer, but at least it was done with care and
concern.

In chapter 18 of The Scarlet Letter what page is the following quotation on: "There is not the strength or courage left me to venture into the...

In Nathaniel Hawthorne’s The Scarlet
Letter
this quotation actually appears not in chapter 18 but at the end of
chapter 17, subtitled “The Pastor and His Parishioner.” It’s not possible to give an
exact page number because pages vary from one edition to another. If you look at the
last page of chapter 17, you’ll find this quotation eight lines from the end of the
chapter.


The speaker is Reverend Arthur Dimmesdale. In this
chapter, he has been speaking to Hester Prynne in the forest. Hester has just finished
pleading with Dimmesdale to leave the colony and start anew, either somewhere else in
American or across the ocean in Europe. Dimmesdale, in his physically, mentally, and
spiritually weakened state does not initially believe that he is capable of making such
a radical change in his life, so he tells Hester that he does not have the strength or
courage to do it alone. Soon, Hester and Dimmesdale resolve to make the journey
together, across the sea, back to Europe. However, this resolution is short-lived as
Dimmesdale soon becomes too weak and dies with the realization that God has saved him
through the suffering that he has endured for the past seven
years.

Monday, November 1, 2010

Discuss situations and circumstances that cause people in today's society to enter a "dark forest" as Goodman Brown did.Why do you suppose people...

Regarding Nathaniel Hawthorne's story, "Young Goodman
Brown," Brown travels into the wood on some mysterious errand. He is met by the Devil
and learns that all those around him are not what they seem; even the most pious of the
townspeople seem to have a connection to the Devil. Still, he continues on, believing he
will be strong enough to resist temptation.


In terms of the
fascination some people have with witchcraft, sorcery and/or magic, perhaps they, like
Goodman Brown, are simply looking around. We will often contemplate things we don't
understand. For many people it could be about doing something their parents or church
has told them not to, or it may simply arise from a sense of
curiosity.


Some people may be fascinated because of the
danger they associate with it. People involve themselves in dangerous sports all the
time for the thrill they receive, such as cave diving, skydiving, bungee jumping, or
running with the bulls at Pamplona. The excitement is everything. It may also have to do
with the fear associated with the "dark arts." In much the same manner that some folks
go to scary movies for the rush of the fear, dabbling in witchcraft, etc., may give some
people that same rush.


Some people may simply want to see
if it is real: does whispering an incantation change
anything?


Quite possibly people may feel already on the
brink of society, not accepted and not comfortable. This may simply be a way of
connecting to a subculture they might believe is more accepting of who they are or how
they seem themselves.


Perhaps it is boredom that creates a
fascination in people. The world of the unknown and unfamiliar always draws people to
experience something they have never known before.


By the
end of the story, Goodman Brown is a man changed forever. He turns his back on society,
his faith, and his wife, losing his connection to the world, and dying a bitter and
lonely old man. His passing experience with the "powers of darkness" didn't work out so
well for him.

How is Anne's goal of wanting "to go on living even after my death" fulfilled in Anne Frank: The Diary of a Young Girl?I didn't get how it was...

I think you are right! I don't believe that many of the Jews who were herded into the concentration camps actually understood the eno...