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Magnitude of final velocity. Due today 
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#1
Feb2508, 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 headon 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 


#2
Feb2508, 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.phyastr.gsu.edu/hbase/elacol.html http://hyperphysics.phyastr.gsu.edu...colsta.html#c5 


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