Monday

February 20, 2017
Total # Posts: 431

**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. ...

*November 22, 2009*

**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 ...

*November 22, 2009*

**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 ...

*November 22, 2009*

**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 ...

*November 22, 2009*

**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...

*November 22, 2009*

**physics**

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

*November 21, 2009*

**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 ...

*November 21, 2009*

**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?

*November 21, 2009*

**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 ...

*November 21, 2009*

**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 ...

*November 21, 2009*

**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 ...

*November 21, 2009*

**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 ...

*November 21, 2009*

**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.

*November 21, 2009*

**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.

*November 21, 2009*

**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.

*November 15, 2009*

**French 101**

Il vie a Paris pendant deux dans

*November 9, 2009*

**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 ...

*October 23, 2009*

**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 ...

*October 23, 2009*

**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...

*October 21, 2009*

**religion**

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

*September 19, 2009*

**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.

*September 15, 2009*

**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...

*September 15, 2009*

**4th grade**

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

*September 9, 2009*

**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 ...

*August 31, 2009*

**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 ...

*August 30, 2009*

**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 ...

*August 30, 2009*

**science**

thanks

*August 30, 2009*

**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?

*August 30, 2009*

**Algebra**

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

*July 27, 2009*

**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??? Don't want all the ...

*June 17, 2009*

**PreCalc**

The thing after -8 is supposed to be pi.

*May 20, 2009*

**PreCalc**

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

*May 20, 2009*

**people**

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

*May 18, 2009*

**Trig**

solve sin(2 theta)< cos( theta)

*April 19, 2009*

**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 ...

*April 9, 2009*

**Organizational Behavior**

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

*March 12, 2009*

**pre alg**

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

*March 1, 2009*

**math**

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

*February 28, 2009*

**math**

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

*February 12, 2009*

**Math**

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

*February 7, 2009*

**Math**

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

*February 7, 2009*

**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.

*February 5, 2009*

**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.

*February 5, 2009*

**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!

*February 4, 2009*

**Math(urgent)**

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

*February 4, 2009*

**7th grade**

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

*December 18, 2008*

**physical sciencs**

how do you do the metric system?

*October 24, 2008*

**Math**

Thank you, but how did you figure this out?

*October 19, 2008*

**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?

*October 19, 2008*

**sports**

shouting c'mon

*October 5, 2008*

**4th math**

even number so last digit would be 2

*September 3, 2008*

**Pre Calc**

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

*August 28, 2008*

**math**

what does it mean to multiply out both sides

*August 27, 2008*

**math**

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

*August 27, 2008*

**math**

how did you get x=3

*August 27, 2008*

**math**

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

*August 27, 2008*

**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 ...

*August 1, 2008*

**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?

*July 26, 2008*

**Math**

Thank you very much.

*June 23, 2008*

**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 ...

*June 23, 2008*

**Math**

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

*June 22, 2008*

**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?

*June 17, 2008*

**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.

*June 13, 2008*

**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

*June 5, 2008*

**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

*May 24, 2008*

**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

*May 20, 2008*

**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...

*May 19, 2008*

**civics**

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

*May 5, 2008*

**Medical terminology**

The term for abnormal increase in platelets

*May 1, 2008*

**Medical terminology**

I found the answer

*May 1, 2008*

**Medical terminology**

What is the term for suture of a nerve

*May 1, 2008*

**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 ...

*April 20, 2008*

**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 ...

*April 17, 2008*

**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? ...

*April 16, 2008*

**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 ...

*April 6, 2008*

**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 ...

*April 5, 2008*

**algebra**

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

*March 25, 2008*

**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.

*February 26, 2008*

**english**

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

*February 26, 2008*

**english**

ACtually I just need juxtapose

*February 26, 2008*

**english**

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

*February 26, 2008*

**Economics**

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

*February 24, 2008*

**Economics**

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

*February 24, 2008*

**biology**

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

*February 19, 2008*

**French**

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

*January 29, 2008*

**science**

PS I had to do this too but i don't remember it sorry

*January 27, 2008*

**science**

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

*January 27, 2008*

**biology**

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

*January 26, 2008*

**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).

*January 26, 2008*

**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?

*January 26, 2008*

**bio**

Thank-you. could you also explain the trends in the graph..I don't really understand them...

*January 26, 2008*

**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?

*January 26, 2008*

**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

*January 26, 2008*

**Chemistry**

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

*December 11, 2007*

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

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

*December 6, 2007*

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

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

*December 6, 2007*

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

how did the geography influence the migration and exploration of colombia? venezuela? i need websitres for this urgent...please help asap... :(

*December 6, 2007*

**Spanish**

o....ok...

*November 30, 2007*

**math**

15 - 24 / 4 x 2 Following order of operations, how do you get 3 as the value?

*October 23, 2007*

**Math**

What is 1/3 of 1/4 teaspoon? How do you do this?

*October 12, 2007*