A wire is pulled at a rate of 3 cm/hr. What is the change in its resistance?

# A wire is pulled at a rate of 3 cm/hr. What is the change in its resistance?

• SCIENCE

A wire is pulled at a rate of 3 cm/hr. What is the change in its resistance?

It is given that the wire is being pulled at the rate of 3 cm/hr. So, we can take the mass of the substance making up the wire and its volume as constant. Due to the pull, the length increases and…

• ROMEO AND JULIET

In the 1996 film, how does Baz Lurhman tackle the young ages of Romeo and Juliet?

Well, in this updated film version of the play Romeo and Juliet, Baz Lurhman does what Franco Zeffirelli did before him — he cast two actors very close in age to the characters of Romeo and…

• SOCIAL SCIENCES

Write a note on Gandhi and environment.

This is a fairly diverse topic. On one hand, Gandhi would probably argue that the environment in which one practices his philosophy is irrelevant. Gandhi’s moral code that called for individuals…

• RULES OF THE GAME

In “Rules of the Game,” what is the art of invisible strength?

We find the answer to your question at the beginning of this short story that comments so much on the experience of migration coming from the point of view of Chinese immigrants to America and the…

• MATH

The height of a cone is 30 and radius is 10. Find the dimensions h and r of a cylinder created…

We have a cone of height 30 cm and radius 10 cm. A cylinder of height h with the radius of the base equal to r is drawn in the cone. Now we want to maximize the volume of the cone. The volume of…

• MODERNISM

What is distinctive about writers of Modernist drama?

I think that one of the distinctive elements of Modernist drama is its embrace of a fragmented consciousness. Modernist drama is very open and willing to concede that there is not much in way of…

• MATH

Find the polynomial having roots at 0, 2i and 3 – i, and passing through (1, –5).

We have to find the polynomial which has roots at -2i and 3 + i and which passes through (1, -5). We know that if a polynomial has the complex root a + ib, it also has the root a – ib. Therefore,…

• AS YOU LIKE IT

What is the significance of Jaques in As You Like It?

Jacques is the harbor of negativity, the one to deplete the joy of life, the black hole, pessimistic, and depressive man whom Orlando and Rosalind detest so much, as well as everyone else who comes…

• MATH

Find a and b if 25x^2+a+36y^2 and 9x^4/25-b+25x^2/9 are squares.

We are given that 25x^2+a+36y^2 and 9x^4/25-b+25x^2/9 are squares and we have to determine a and b. 25x^2+a+36y^2 => (5x)^2 + a + (6y)^2 Now (a +b)^2 = a^2 + 2ab +b^2 So we can say a = 2*5x*6y =…

• MATH

What is the indefinite integral of y=3x^2+2x-1 ?

We have to find the integral of y=3x^2+2x-1. Now Int [y] = Int [ 3x^2+2x-1] => Int [ 3x^2] + Int [ 2x] – Int  => 3*x^3 / 3 + 2* x^2 / 2 – x + C => x^3 + x^2 – x + C Therefore the…

• MATH

What are the roots of the equation 16^x-3*4^x+2=0?

We have the equation 16^x – 3*4^x + 2 = 0 to solve for x. Now 16 = 4^2 16^x – 3*4^x + 2 = 0 => 4^2^x – 3*4^x + 2 = 0 let y = 4^x => y^2 – 3y + 2 = 0 => y^2 – 2y – y + 2 =0 => y( y- 2) -…

• THE OUTSIDERS

What are some of the issues faced by the adolescents in The Outsiders?

The adolescents in both gangs are dealing with the way thy are perceived by the rest of the world and their true identities. We are told that the greasers are hoods who- steal things and drive…

• MATH

Determine the domain of definition of the function y=ln(x^2-3x+2) .

To determine the domain of definition of the function y=ln(x^2-3x+2). The domain of the of the function y=ln(x^2-3x+2), is the set of all the values of x for which y=ln(x^2-3x+2) is defined….

• MATH

Find x if 13*|2x+1|=26

We are given that 13*|2x+1|=26 13*|2x+1|=26 divide both sides by 13 => |2x +1| = 2 Now |2x +1| = 2 => 2x +1 = 2 and 2x +1 = -2 => 2x = 1 and 2x = -3 => x = 1/2 and x = -3/2 Therefore x…

• ELIZABETH BARRETT BROWNING

In Elizabeth Barret Browning’s sonnet, “Beloved thou hast brought me many flowers,” what does the…

One thing to consider about this poem is that the narrator is looking back to the past. In the past, the flowers have been pleasing and emotionally fulfilling, as was the love affair. The flowers,…

• MATH

What is the linear function that passes through the points (2,1) and (1,1)?

A linear function is one where the largest power of x is equal to 1. This condition ensures that the graph of the function is a straight line, hence the term linear function. Let the linear…

• ESSAY LAB

I think that a good way to do this would be to use an actual example. I really like the first paragraph of “The Cop and the Anthem” by O. Henry. It reads: On his bench in Madison Square Soapy…

• MATH

How to solve the equation uov(t)=0? u(t)=2t^2-1 v(t)=t-1

We have the functions u(t) = 2t^2 – 1 and v(t) = t -1. uov(t) = u(v(t)) v(t) = t – 1 substituting t – 1 in u(t) => 2*( t – 1)^2 – 1 As uov(t) = 0 => 2*( t – 1)^2 – 1 = 0 => 2( t^2 + 1 -…

• AS I LAY DYING

What would be a good thesis statement for a research paper with the topic: As I Lay Dying by…

Typically, when writing an essay on a novel, it is best to focus on one major theme (or two very similar themes) analyzed through the use of three different literary elements. This will give you…

• ARTS

Why does the Ghazal stand as the most popular of all classical Indian musical forms despite not…

There are a couple of issues raised in the question. On one hand, I think that the ghazal’s lasting popularity represents how the power of tradition is still a part of Indian identity. The…

• CAUCASIA

In Caucasia, by Danzy Senna, why does Birdie come to think of herself as having “disappeared”…

[eNotes.com editors are only permitted to respond to one question per posting. Additional questions need to be posted separately.] There are two reasons for Birdie’s sense of “having disappeared.”…

• ESSAY LAB

Please provide thesis improvement help.I have a thesis but I can’t seem to find the right words…

My first suggestion is that you study your thesis to make sure it isn’t missing important elements, perhaps words, which will provide a firmer foundation from which to begin. Sometimes doing this…

• MATH

How do you find the 5th root using the scientific calculator model CASIO fx-82AU PLUS?

To find the 5th root using the CASIO fx-82AU PLUS calculator: First press the key with the number 5. Then press the shift key. Next press the key with which has an x and a box as the superscript…

• THE GLASS MENAGERIE

In the play The Glass Menagerie, are the characters failures just because they didn’t reach their…

Your question presumes that each of the characters had a goal and that they either clearly did or did not reach those goals. Let’s see if that’s true: Amanda’s goal for Laura seems to be to help…

• THE CANTERBURY TALES

chaucer contribution as a poet What is CHAUCER’S contribution as a poet? Discuss with reference…

Chaucer is one of the most well known writers of the Medieval period in England. His Canterbury Tales captures a verbal snapshot of the various people of his time, and the tales themselves give a…

• 1984

In chapter 9 of book 2 in 1984, Winston reads the Book of the Brotherhood. What are the last few…

In the end of the Book of the Brotherhood, Chapter 3, War is Peace, the author points out many concepts of war that Winston already knew to be true. War itself is of little matter to the majority…

• THE GREAT GATSBY

Explain the significance of conformity and rebellion in The Great Gatsby by F. Scott Fitzgerald.

I believe the significance of the conformity/rebellion theme in Fitzgerald’s The Great Gatsby has to do with Fitzgerald urging his readers the dangers of both. Rarely does Fitzgerald come down…

• ENOTES EDUCATORS GROUP

Special Holiday Bonus Rate in Q&AHello everyone! We’ve increased the bonus rate in Q&A to…

Just to clarify, answers that are posted by that time, … or answers that are reviewed by that time?

• HENRY VIII

I need help figuring out this quote from a Shakespeare book of quotations I got for Christmas: “A…

This quote is from Act I, scene iii of Henry VIII. Here’s your quote, in the context of the scene: CHAMBERLAIN . . .Now I would pray our monsieurs To think an English courtier may be wise, And…

• BLESS ME, ULTIMA

What is the role of the Virgen de Guadalupe in Bless Me, Ultima, by Rudolfo Anaya?

The Virgen de Guadalupe is the Southwestern Catholic equivalent of the Virgin Mary, and is said to have appeared to a peasant along the banks of the Guadalupe River. Anaya’s story, which takes…

• A STREETCAR NAMED DESIRE

How is Blanche similar and different to her sister Stella?

One similarity between Blanche and Stella is their background. Both of them grew up and experienced their youth in the “old South” and this imprint is on both of their characters. How they deal…

• CINEMA

How is time used in the movie Run Lola Run?This is the 1998 German film originally titled Lola…

Time is shown in the frame of the 20 minutes in which Lola needs to help Manni out with securing the money. I think that much of what is featured the film is related to the Butterfly Effect, which…

• TO KILL A MOCKINGBIRD

Whats ironic of Mrs. Merriweather’s comment about getting the preacher to help “… her lead a…

Mrs. Merriweather is a sanctimonious hypocrite, of course. While she extols the Reverend J. Grimes Everett’s missionary efforts in Mruna, she derogates her maid Sophy later on, accusing her of…

• A TALE OF TWO CITIES

In A Tale of Two Cities, what was Cruncher’s message, and what was the reply?

You can find the answer to this question in Chapter 2 of Book the First, as Mr. Jarvis Lorry, the mysterious individual in the Dover mail who works for Tellson’s Bank receives his message from…

• TO KILL A MOCKINGBIRD

In To Kill a Mockingbird what made Tom visit the Ewell’s house in the first place?

Tom reveals to the courtroom that he had regularly assisted at the Ewell place as he ‘felt sorry’ for Mayella being left with all the chores and all the children by her father. He explains that…

our company becomes first FBI certified company in IndiaWe are manufacturing FBI certified…

recently our company Mantra Softech has launched a new biometric hand held device. which can be equipped with sim card. where there is absence of internet and electricity, this attendance machine…

Coment on the relationship between Helen and Hector in Homer’s Iliad.

I think that there is a very interesting dynamic between Hector and Helen. Both of them represent opposite ends of the source of action. Helen’s presence in the drama is the result of Paris’…

• SOCIAL SCIENCES

What are the main themes to celebrating the new year?What are the main themes to celebrating the…

I can only speak to the celebration of New Year’s Day in the United States. The most prevalent theme for welcoming the new year is that of change and renewal. It is a time when people “ring out the…

• MATH

Differentiate y= ln(1+2x+2x^2)?

Given y= ln(1+2x+2x^2) We need to find y’. We will use the chain rule to solve. Let y= ln u such that: u= 1+2x+2x^2 ===> u’ = 2+4x Now we will substitute: ==> y= ln u ==> y’ = (ln u)’…

• MATH

Find the derivative of f(x)=[cos2x/(x^2+x+1)]^1/2

We have to find the derivative of f(x)=[cos2x/(x^2+x+1)]^1/2. Use the chain rule and the quotient rule. f'(x) = 1/2*[cos2x/(x^2+x+1)]^-1/2*[(cos2x)'(x^2+x+1)- (cos2x)(x^2+x+1)’/(x^2+x+1)^2] =…

• MATH

What is x for lg(x)+lg(x+1)=(1+lg9) to exist?

Using the product rule for logarithms. lg x + lg(x +1) = lg[ x(x+1)] This is equal to 1 + lg 9 => lg[ x(x+1)] = 1 + lg 9 => lg[ x(x+1)] – lg 9 = 1 Now 1 = lg 10 => lg [ x(x+1)]/9] = lg…

• HARD TIMES

“Hard Times is a passionate attack on contemporary Victorian society.” Justify your statement…

I would say that the statement is true. There is much in Dickens’ work that moves past literature and into the realm of social criticism. Gradgrind, himself, is a product of the Enlightenment and…

anyalyse and evaluate diffrent function within an small organisation and large organisation i…

Since CFO is present in small organizations, as well as in large organizations, we’ll analyze the functions performed by chief financial officer (CFO). The main function performed by the CFO is to…

• MATH

Given f(x)=2x+1 and g(x)=x+2 solve the equation gogog(x)=fofof(x)

We have f(x) = 2x + 1. And g(x) = x + 2 Now gogog(x) = g(g(g(x))) = g(g(x+2)) = g(x +4) = x +6 fofof(x) = f(f(f(x))) = f(f(2x +1)) = f( 2*(2x +1)+1) =f( 4x + 2 + 1) = f(4x +3) =2*(4x +3) +1 = 8x +…

• MATH

Solve the equation x=1+square root(1+square root x).

To solve x = 1+(1+x^(1/2))^(1/2). Subtract 1 from both sides: x-1 = (1+x^(1/2))^(1/2) We square both sides: (x-1)^2 = (1+x^1/2). (x-1)^2 -1 = x^(1/2). We square both sides: {(x-1)^2 -1 }^2 = x….

• MATH

What is x if x+1, x-1, 4 are terms of an arithmetic series?

We are given that x+1, x-1, 4 form an arithmetic series. Therefore we have 4 – (x – 1) = (x – 1) – (x + 1) => 4 – x + 1 = x – 1 – x – 1 => 5 – x = -2 => x = 5 + 2 => x = 7 Therefore x =…

• MATH

Find the antiderivative of the function f(x)=(x+1)/(x^2+2x) .

We have to find the anti derivative of f(x)=(x+1)/(x^2+2x) f(x)=(x+1)/(x^2+2x) let x^2 + 2x = t => dt/dx = 2x + 2 = 2(x + 1) Int [(x+1)/(x^2+2x) dx] => Int [ (1/2t) dt] => (1/2) ln t + C…

• EDGAR A. GUEST

I am looking for a particular Edgar Guest work about a boat setting it’s sails so…

You may want to look at ‘The Orphan’ by Guest. Although the exact wording within your question is not in the poem, the poem is about an orphan who dreams and is taken by the angels to ‘sail a…

• MATH

Given the string dn=1+2+…2^n evaluate limit of dn/2^n if n->+infinite

dn = 1 + 2 + 4 + 8 …2^n dn / 2^n = 1/2^n + 1/2^n-1 +…1 Now lim n–> inf. [ dn / 2^n] => lim n–>inf. [ 1/2^n + 1/2^n-1 +…1] We know that lim n–>inf. [ 1/2^n ] = 0 and as…