AP Physics 1· difficulty 4/5
A ball of mass moving at speed collides elastically and head-on with a stationary ball of equal mass. What are the velocities of the two balls after the collision?
incoming ball , struck ball
both move at
incoming ball , struck ball
incoming ball , struck ball
Explanation
For an elastic head-on collision between equal masses with one initially at rest, the moving ball stops and the stationary ball moves off with the original speed .
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