# Magnitude of final velocity. Due today

by kdizzle711
Tags: final, magnitude, velocity
 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
 Admin P: 21,399 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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