Two Pool Balls

Classical Mechanics Level 2

If two sticky pool balls collide when the second ball is not accelerating, and its velocity is 0, what will happen?

Note : The collision is inelastic and there is no friction.

All the balls explode The second ball goes backwards Nothing The first ball explodes The second ball explodes The second ball bounces off the first ball and the first ball doesn't move. The balls stick together and move at half the velocity of the first ball The first ball bounces back.

Alex Wang by alex wang , 19, USA

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