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Magnitude of final velocity. Due today

by kdizzle711
Tags: final, magnitude, velocity
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kdizzle711
#1
Feb25-08, 04:29 PM
P: 27
1. The problem statement, all variables and given/known data

A glider of mass 0.143 kg is moving to the right on a frictionless, horizontal air track with a speed of 0.750 m/s. It has a head-on collision with a glider 0.303kg that is moving to the left with a speed of 2.13 m/s. Suppose the collision is elastic.

2. Relevant equations
MaVa1+MbVb1=MaVa2+MbVb2
1/2MaVa1^2+1/2MbVb1^2=1/2MaVa2^2+1/2MbVb2^2


3. The attempt at a solution

Where do I start with this? I have all of the left side of the equations, but nothing on the right
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Astronuc
#2
Feb25-08, 04:39 PM
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P: 21,866
One is supposed to find the velocities after the collision perhaps?

What is the significance of the elastic collision?

Here's some useful information -
http://hyperphysics.phy-astr.gsu.edu/hbase/elacol.html

http://hyperphysics.phy-astr.gsu.edu...colsta.html#c5


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