A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m

Question

A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be

Options:

A . Zero

B . 5 m/sec

C . 10 m/sec

D . None of these

Answer: Option A

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