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July 3, 2015

Homework Help: physics

Posted by CLUELESS on Sunday, May 6, 2012 at 8:44pm.

A proton that has a mass m and is moving at 250 m/s in the + direction undergoes a head-on elastic collision with a stationary oxygen nucleus of mass 16m. Find the velocities of the proton and the oxygen nucleus after the collision

i know i have to consider that both momentum and KE are conserved but i dont know what to do (how to do it)

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