Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 334

**physics**

A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of relaxed length 0.50 nm (Recall that 1.0 nm = 10^-9 m) . The nanofiber is the black horizontal line-its attached to a substrate (an immovable wall) on the left. The plot is a graph of the force needed to str...

**physics**

An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero to...

**physics**

A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of relaxed length 0.50 nm (Recall that 1.0 nm + 10^-9 m) . The nanofiber is the black horizontal line-its attached to a substrate (an immovable wall) on the left. The plot is a graph of the force needed to str...

**physics**

. A 2.0 kg particle is moving along the x axis to the left with a velocity of v= -6.0 m/s. Suddenly, between times t =0 and t = 4.0 x a net force = 3t^2 – 12t is applied to the particle, where F is in N and t is in s. Calculate the velocity of the particle at t=4.0 s. Ple...

**physics**

A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of relaxed length 0.50 nm (Recall that 1.0 nm + 10^-9 m) . The nanofiber is the black horizontal line-its attached to a substrate (an immovable wall) on the left. The plot is a graph of the force needed to str...

**physics**

An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero to...

**physics**

An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero to...

**physics**

If a mass attached to the center of a vertical circle swings around at a fixed speed (v) and gravity pulls straight downward, would the tensions in the rope attached to the mass be different at the top of the circle, straight down to bottom of circle, and directly straight out...

**physics**

Is it true or false that momentum is conserved when total mechanical energy is conserved?

**physics**

An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero t...

**physics**

In order to move a heavy object you must push against it with a larger force than it pushes on you. Is this true or false?

**physics**

A 2000 kg space probe is moving rightward in empty space along the x axis at 12 m/s. One of the probe’s rockets is fired providing a thrust of 1800j N along the y axis. The rocket fires for 1.5 s. How can I derive the equation for the trajectory of the probe during the ti...

**physics**

A small particle of mass 2.0 x 10^-19 kg is attached to a string of relaxed length 0.50 nm .The string is the black horizontal line attached to a an immovable wall on the left. The plot is a graph of the force needed to stretch the string by pulling to the right on it .The len...

**physics**

A mass of 1.1 kg is attached to two cords. The cords are each an angle 30 degrees above and below the horizontal, The mass circles around the vertical pole at a fixed speed of 15 m/s in a circle of radius 0.50 m. How do I calculate the magnitude of the net force and the tensio...

**physics**

A 4.0 kg particle is moving along the x axis to the left with a velocity of v= -12.0 m/s. Suddenly, between times t =0 and t = 4.0 x a net force = 3t^2 – 12t is applied to the particle, where F is in N and t is in s. Calculate the velocity of the particle at t=4.0 s. Can ...

**physics**

The 2.kg mass is heading toward a ramp-there’s no friction. Notice that at the top right there is a relaxed spring. The spring constant is 50 N/m. Calculate the maximum compression of the spring after the mass has risen up the ramp and hit the spring.

**college**

The 2.kg mass is heading toward a ramp-there’s no friction. Notice that at the top right there is a relaxed spring. The spring constant is 50 N/m. Calculate the maximum compression of the spring after the mass has risen up the ramp and hit the spring.

**Finance**

Risk exposure due to heavy short-term borrowing can be compensated for by: A. carrying more receivables to increase cash flow. B. carrying highly liquid assets. C. carrying illiquid assets. D. carrying longer term, more profitable current assets.

**French 101**

Il vie a Paris pendant deux dans

**economics**

In the article about the financial problems of USA Today, Newsweek reported that the paper was losing about $20million a year. A Wall Street analyst said that the paper should raise its price from 50 cents to 75 cents, which he estimated would bring in an additional $65 millio...

**economics**

Bridget has limited income and consumes only wine and cheese; her current consumption choice is four bottles of wine and 10 pounds of cheese. The price of wine is $10 per bottle, and the price of cheese is $4 per pound. The last bottle of wine added 50 units to Bridget’s ...

**fin220**

Collins Office Supplies is considering a more liberal credit policy in order to increase sales The following data is available for the company: Uncollectable new accounts 7% Collection costs 6% of new sales Production and selling costs 79% Accounts receivable turnover 6 Income...

**religion**

thanks i would still appreciate other feedback from others- this is kind o a survye

**MATH**

100 bushels of corn are divided among 100 men, women, and children. Men receive 3 bushels each, women 2 bushels and children 1/2 bushel each. How can the bushels be distributed? is there more than one solution? if so, find the other solutions.

**Physics**

An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive direction and has a magnitude of 6.1 ; a second force has a magnitude of 4.0 and points in the negative direction. Find the direction of the third force acting on...

**4th grade**

1=? hundreths....not how many hundreths in 1, but how many hundreths is 1

**Check my answers please**

I posted this yesterday and someone said i did not haveoriginal data but it is in the link. Please take out spaces h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carr...

**science (please check my answers)**

h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carry capacity at about what size? a. 0 b. 500 c. 1000 d. 1500 e. 2000 Is it 1500? 3. The plateau of population B is mo...

**science: check my answers please**

h t t p: //tinypic . co m/r/309lnac/3 1. The population growth exhibited by population A to the right is what? Is is exponential? 2. Population B reaches its carry capacity at about what size? a. 0 b. 500 c. 1000 d. 1500 e. 2000 Is it 1500? 3. The plateau of population B is mo...

**science**

thanks

**science**

h t t p : //tinypic. com /r/29za2co/3 In the diagram on the link,what numberof paramecium best represents the carrying capacity of the environmentfor the population shown? a. 200 b. 500 c. 600 d. 900 e. 1000 Is it 900?

**Algebra**

If h(x)=3/(2x+1), find h(a-1)

**Mathematics (cumulative frequency**

The figures below show to t he nearest minute 80 students waited to be served in a canteen. Waiting time No. of students Cum.Freq 1-5 4 4 6-10 7 11 11-15 11 22 16-20 18 ? 21-25 22 ? 26-30 10 ? 31-35 5 ? 36-40 3 ? How do i find cumulative frequency??? Dont want all the answer j...

**PreCalc**

The thing after -8 is supposed to be pi.

**PreCalc**

How do you find the amplitude of y=7/8sin[(-8ð/5)x]

**people**

Where can I find a list of famous old people who are still alive? Should include celebs, royals, political figures, etc. thanks

**Trig**

solve sin(2 theta)< cos( theta)

**Accounting**

Describe how you might conduct a stakeholder impact analysis of this scenario using the stakeholder impact analysis approaches: moral standards, 5-question, and the Pastin’s approach methods. The mayor of a small seaside town faces a tough decision. A prominent developer ...

**Organizational Behavior**

In frequently used shortcuts in judjing others,are there any examples for Selective Perception, Halo Error and Stereotyping?

**pre alg**

25a^-2 b^-5 c^8 / 40 a^5 c^9--this problem i come up with 5/8a7b5c..is this correct?

**math**

3-9^2 - 4(3)^2 + 8 - 2 how do you solve this?

**math**

how do I do this? I think I have to simplify it? (sin^2ө + cos^3ө/sinө + cosө)+ sinөcosө

**Math**

Find the domain of the function: f(s)=sqrt s-1 over s-4

**Math**

simplify: sqrt(x-8+8) +2

**Math**

Find the quotient and simplify your answer. f(x)=5x-x^2, f(5+h)-f(5) over h Please help I am so lost! All I know is that you have to put (5+h) wherever there is an x.

**Math**

Find the domain of the function. f(s)= sqrt s-1 over s-4 I think I have to solve the inequality (s-1)>=0 but I do not know how to.

**Math(Urgent)**

Find the domain of the function. h(x)= 10 over x^2 - 2x I think the answer is all real numbers except 2 but I do not know if it is right!

**Math(urgent)**

Find the domain of the function. s(y)= 3y over y+5

**7th grade**

how do check to see if your caluator does order of opreations

**Math pizzaz pre algraba**

He turns into a garage

**phisical sciencs**

how do you do the metric system?

**Math**

Thank you, but how did you figure this out?

**Math**

If a is 50 percent larger than c and b is 25 percent larger than c, then a is what precent larger than b?

**sports**

shouting c'mon

**4th math**

even number so last digit would be 2

**Pre Calc**

solve the quation. t/3+t/5=1.

**math**

what does it mean to multiply out both sides

**math**

how do i solve this? x(1+2x)= (2x-1)(x-2)

**math**

how did you get x=3

**math**

how do i solve this...i have no clue (x+2)(x-3)= (x-3)(x-3)

**Accounting**

Appalachian Register, Inc. (ARI) has current sales of $50 million. Sales are expected to grow to $75 Million next year. ARI currently has accounts receivable of $10 million, inventories of $15 million and net fixed assets of $20 million. These assets are expected to grow at th...

**science**

In 1990, this bird was nearly extinct, as there were only 100 left in the world. The Museum of Science and Industry starated hatching them. What type of burd is this?

**Math**

Thank you very much.

**Math**

Need help solving this problem please. Andrei buys a painting and sells it to Boris Andrei makes a 60% profit on the sale Boris sells the painting to Clarissa Clarissa pays 1.5times the price that andrei paid for the painting Boris made a loss What is his loss as a % of the am...

**Math**

Please tell me if I am right. Solve the equation 8(9x-1)=29 answer: x= 37 / 72 or 37 ___ 72

**english**

i have to discuss the dual nature of people. I want to talk about MArc Antony in the Tradgey of julius Caesar but I I know he manipulates but what is his other side?

**Math**

I can't figure our how they got the answer to this question: Use the following function to find f(-2)? f(x)=x(squared)-3 This is how I am solving the problem: f(x)=x(squared) -3 f(-2)=(-2)squared -3 f(-2)=4-3 f(-2)=1 The correct answer is 2 and I don;t know why.

**math**

Am I right? Let p and q represent the following statements: p: The fourth of July is not Independence Day q: Christy,as comes twice a year Express the following statement symbolically: The fourth of July is Independence Day Answer: ~p

**Math**

Need help I have to find a pattern for 8, -1, 2, -1 I know the answer is 1/3 but have no idea how I get there...I am trying to multiply each by -1/2 but I can't get the 1/3 at the end for some reason and I have the similar problem as well: 8, -4, 2, -1

**Math**

the average life expectancy in canada is 80.1 years. Estimate the country's life expectancy in hours? I know the answer is 700,800 but I cant for the life of me figure out how they get that! Thanks

**french**

Can someone check this over? Nous sommes allées au club. L'Alibi était un club de danse et nous avons écouté une variété de musique. Nous avons dansé à la musique salsa, le rock, et le hip-hop. Nous avons dansé...

**civics**

i need help finding informaiton to argue against the Colege Cost Reduction and Access Act

**Medical terminology**

The term for abnormal increase in platelets

**Medical terminology**

I found the answer

**Medical terminology**

What is the term for suture of a nerve

**NCLB**

i am studying the no child left behind act and i read that some states have a higher level of proficiency than others. In a pdf there were a comparision of two states type of question both with a dificulty level can anyone help me find this or something similar to thiswhere tw...

**marketing**

I need a little guidance answering this folowing multiple choice question please: ______ is the term used to describe a company that does NOT offer its services on the internet? a. offline business b. brick-and-mortar c. click-and-mortar d. e-business e. web community I am tor...

**Marketing**

Could you please check over my t/f questions? 1. Permission based methods allow customers to opt in or opt out to ensure that emails are sent to both current and prospective customers? TRUE 2. In the consumers mind, there is a fine line between legitimate marketing and spam? F...

**Physics**

Many hot-water heating systems have a reservoir tank connected directly to the pipeline, so as to allow for expansion when the water becomes hot. The heating system of a house has 74 m of copper pipe whose inside radius is 9.10 10-3 m. When the water and pipe are heated from 2...

**Marketing**

Companies often forget to pay enough attention to their distribution channels, resulting in their failure to make long-term commitments to these firms. Is the answer to this true? I know companies ofetn pay little attention to their distribution channels but is that a result o...

**algebra**

if -2 (x + 3) is equal to -3 (-2x + 6) then what is the value of x ?

**english**

does this sentence work and make sense? It is important that when the conspirators attempt to kill Caesar, they juxtapose themselves so they can communicate easily with one another.

**english**

That's ok Drwlss. But can anyone else help!!

**english**

ACtually I just need juxtapose

**english**

how do you use juxtapose and lethargy in a sentence that relates to the tradgedy of julus caesar?

**Economics**

Umm, never mind I ended up figuring it out after I posted this thread.

**Economics**

How do you find the inverse of the demand function: Q = 4,000 - 125P P = ?

**biology**

is the heart the pump that keeps blood moving in the body

**French**

I was wondering the samething as well, thank-you SraJMcGin

**science**

PS I had to do this too but i dont remember it sorry

**science**

i got this from my teacher and i have to find validity issues for it. "They" is the company that did the experiment

**biology**

can someone also help me find two examples of homologous structures on chimpanzees, gorillas, etc that are on humans?

**biology**

can someone help me find two examples of embryology as evidence for evolution that shows like monkeys to humans (two characteristics in embryos-early development).

**bio**

ok. That made it very clear but would the people of Canada have an effect upon their ecosystem too because there ae so many of them in a broad area of ages?

**bio**

Thank-you. could you also explain the trends in the graph..I dont really understand them...

**bio**

the questions are in the link above but I'll wil post them anyway: What technological factors contribute to the different population trends we see in the graph here? What type of consequences might these two populations have on their local ecosystems?

**bio**

[IMG]h t t p://i32. tinypic. com/ann3ow.jpg[/IMG] I do not know what to put for any of the answers..i have somewhat of an idea for the first question (ecology, demographics, government) but i cant think of anything for numbers 1 and 2

**Chemistry**

A gas fills 80ml at 740mm. what volume will it have at standard pressure? Stuck on this problem. Please Help. Thanks

**spanish!!...urgent!...please help**

o... but these things don't really help with the answers i need

**spanish!!...urgent!...please help**

but how do i google it..because when i type in the question, nothin really comes up

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