Wednesday

November 25, 2015
Total # Posts: 162

**physics**

a man applies a force of 220 N horizontally to the right against a 50 kg crate. the force of friction between the crate and the floor is 200 N. if the crate is pushed 2.0 m, the work done is.... What formula would be applicable?
*December 4, 2011*

**physics**

a 25kg object moving with a velocity of 3m/s to the right collided with a 15 kg object moving to the left at 6 m/s. determine the velocity of the 25kg object after the collision if 15kg object a. continued to move to the left, but only at .3m/s b. rebounded to the right at ....
*December 1, 2011*

**math**

only 40% of people between the ages of 18 and 24 read the newspaper. what % of people reads the newspaper?
*November 16, 2011*

**organic chemistry**

First, you've got to specify which reaction.
*October 24, 2011*

**Physics**

If you treat the whole system as one solid thing, you will get the answer. FP= mtotal x acceleration 44= (11+13.5+1)a 44=25.5a a=1.73m/s^2 Use this acceleration value to find FTA and FTB using Newton's 2nd Law. FBT=13 x 1.73 FBT= 22.5 N (FBT and FTB are equal in magnitude...
*October 13, 2011*

**scientist**

How do I turn up the sound on a stereo without turning the volume button up?
*August 15, 2011*

**algebra II**

Select the best possible first step to solving the system by first eliminating the y variable. x + 8y = –4 2x – 4y = –13 Multiply the first equation by 2. Multiply the second equation by 2. Multiply the first equation by –2. Multiply the second equation by...
*May 19, 2011*

**math-Probablity**

Hi, just a few stupid questions about probability. 1. How many different license plates can there be if there is a total of 7 letters (no numbers) (and I'm assuming this has a something to do with permutation. 2. How many different batting line ups can be chosen from a 13 ...
*April 14, 2011*

**world history**

explain why it was difficult for Great Britain to control the New England colonies
*April 12, 2011*

**Math**

ln(x+3) + ln(x+4) = 3ln2
*March 27, 2011*

**Math (Trig.)**

A boat sailing from A to B travels in a straight line until the captain realizes he is off course. The boat is turned through an angle of 60 degrees, then travels another 10 km to B. The trip would have been 4 km shorter if the boat had gone straight from A to B. How far did ...
*March 9, 2011*

**Science: Physics**

V = 1.20 m/s Vfinal = 12.33 m/s
*January 6, 2011*

**calculus**

This is right
*November 23, 2010*

**calculus**

this is wrong
*November 23, 2010*

**global studies**

its not a question out of my book its an assignment on the land of maczeb. there is a map and a list of questions and things it wants u to look for and answer
*October 24, 2010*

**global studies**

How does geography affect the history of a nation?
*October 24, 2010*

**9th grade**

What is the definition of a crossroads for trade?
*October 24, 2010*

**calculus**

The half-life of Radium-223 is 11.43 days. If a sample has a mass of 900 mg, find the mass (in mg) that remains after 5 days
*October 14, 2010*

**calculus**

The graph of f(x) passes through the point (0,3) . The slope of f at any point P is 3 times the y- coordinate of P . Find f(1)
*October 14, 2010*

**Physics**

If an object is traveling at 24 km/h and accelerates at a rate of -.20 m/s2 , how long will it take the object to get to 8 km/h?
*September 30, 2010*

**physics**

a cannon ball is shot from a 100 m high cliff with an inital velocity of 24m/s and at an angle of 32 degrees. what is the overall final velocity of the cannonball?
*September 21, 2010*

**Pre Calc**

Thank you so much, i'm so stressed if its not too much trouble check out some of my other questions;)
*August 31, 2010*

**Pre Calc**

Complete the square to find the center and the radius of the circle: 3x^2+3y^2-12x+24y+15=0
*August 31, 2010*

**Pre Calc**

Determine K and solve the equation x^3-kx^2+3x+54=0, if one of its zeros is triple of another.
*August 31, 2010*

**Pre Calc**

7x^3-24x^2-19x+12 -----------------=f(x) 2x^3-4x^2-40x+80 Determine all values of x for which f is not defined.
*August 31, 2010*

**Pre Calc**

7x^3-24x^2-19x+12 -----------------=f(x) 2x^3-4x^2-40x+80 -Determine all zeros of f(x)
*August 31, 2010*

**9th grade Science (Biology)**

My question is: How does the diversion of groundwater for industrial uses affect water quality? -- I don't understand what diversion is, so at least maybe you guys could explain that. Thanks!
*August 1, 2010*

**Algebra**

Solve for x in terms of a and b (b-a)x=3x-(5/a) I can't figure out how to get the x alone with out getting (3x)/(b-a). Can anyone help explain?
*January 12, 2010*

**Algebra**

Solve for x in terms of a and b (b-a)x=3x-(5/a) I can't figure out how to get the x alone with out getting (3x)/(b-a). Can anyone help explain?
*January 12, 2010*

**Algebra 2**

Solve for x in terms of a and b (b-a)x=3x-(5/a) I can't figure out how to get the x alone with out getting (3x)/(b-a). Can anyone help explain?
*January 12, 2010*

**spanish 2**

you didn't conjigate the verbs at all ex: yo bailo
*January 12, 2010*

**spanish 2**

to dance = bailar Then write out the verb tense chart with the '-ar' endings. After that chop off the 'ar' from bailar and add the verb endings.
*January 12, 2010*

**Literature**

Lol, I'm taking the same class ;)
*December 18, 2009*

**Physics**

There are two situations in which it possible for a charged particle to be in a magnetic field but not experiencing a magnetic force. What are they? Given that Fm=qVBsintheta, I am going to say 1. If the particle is NOT in motion. 2. The direction of currect and the direction ...
*December 7, 2009*

**Math**

a bag contains 100 rocks and if 35 rocks removed what fraction of the rocks are left
*November 1, 2009*

**us history**

i need some info about the relationships between the u.s and china how they have changed since ww1 and what the present relationships are
*October 29, 2009*

**math**

Find the missing numbers and landmarks for the set of numbers 48,50,51,51,57,59,60,63,69,_,76,_
*October 7, 2009*

**Math**

Identify the number 126 as either prime or composite. Show or explain why
*October 4, 2009*

**Math**

I am not following. The number you placed x in you used the number 21321x, but the number is 21421x. I am not following your steps to solve for x either
*October 4, 2009*

**Math**

Find all values of the missing digit that make the statement true 214,21_ is divisible by 11
*October 4, 2009*

**algebra**

How would you solve the systemof equations using the substitution method: 2x-9y=2 4x+18y=12
*September 2, 2009*

**English**

Both Emily Dickinson and Walter Whitman used their poetry as a way to express transcendentalist ideas. Whitman wrote mostly about self-knowledge and spirituality while Dickinson wrote about the self knowledge and nature aspects of the transcendentalist beliefs. In Dickinson&...
*March 11, 2009*

**English**

Help me Edit this document please. Both Emily Dickinson and Walter Whitman used their poetry as a way to express transcendentalist ideas. Whitman wrote mostly about self-knowledge and spirituality while Dickinson wrote about the self knowledge and nature aspects of the ...
*March 11, 2009*

**Religion**

What is the baptist view on Abortion?
*March 6, 2009*

**Math**

64% of 850=?
*February 1, 2009*

**poem**

ok to lovy
*January 15, 2009*

**art**

i want to know about art it is for homework and i want a easy pic PLEASE!!!
*January 15, 2009*

**muscular energy**

what is the definition of muscular energy
*December 2, 2008*

**Math/Science**

Rearrange the equation to isolate the r. (what is the equation to find the radius?) C=2piR Circumfrence= 2(pie)(radius)
*November 25, 2008*

**Literature**

I don't know
*November 10, 2008*

**English-Accented Syllables**

"The earth is the Lord's,and the fullness thereof."
*June 19, 2008*

**Science**

If an air mass from the gulf of mexico is pushing north into pittsburgh which has been under the influence of a canadian air mass for several days, what are the conditions now in pittsburgh and what will they be two or three days from now?
*February 6, 2008*

**religion**

why do sikhs share out sweets with friends and family?
*February 2, 2008*

**history**

according to the myans, when is the world schedueled to end
*November 21, 2007*

**English**

How was Edmond loved in the Count of Monte Cristo?
*October 16, 2007*

**Math**

If you told someone that the greatest depth of Lake Superior is 1333ft would you be expressing a number similar to mode, median, mean or range? That would be the range. The mode is the numbers that appear most often. Median is the middle number and mean is the average. I don&#...
*April 23, 2007*

**First US Government Building**

timmy
*January 12, 2007*

**the big idea of energy KS3**

hope tht helps u lot goodbye
*October 22, 2006*

**science**

Im a bit stuck on the particle diagrams as well :(. Is that lisa and amy from wicko??
*October 20, 2006*

**science**

What instrument measures very high temperatures-not looking for thermometer. Depending upon how hot the temperature is that you are trying to measure, you might use a thermistor, thermocouple, or optical pyrometer, to name just three. I have used an optical pyrometer to ...
*September 13, 2006*