quiz14_solution - relative velocity change for 1d collision...

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03/26/08 Physics 201 Quiz 14 A heavy ball and a light ball, each with speed v but moving in opposite directions, collide elastically. Find the final speed of the light ball. Ans: cons of momentum gives (m-M)v=m v'+MV'
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Unformatted text preview: relative velocity change for 1d collision gives 2v=-(v'-V') MV'=M(2v+v')=(m-M)v-mv' v'=-(3M-m)v/(m+M) For M>>m we then have v'=-3v so the speed is 3v....
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This note was uploaded on 03/06/2010 for the course PHYSICS 201 taught by Professor Walker during the Spring '08 term at University of Wisconsin Colleges Online.

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