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Question
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down
Options:
A .  rubber and lead balls undergo equal changes in momentum
B .  change in momentum suffered by lead ball is less that of rubber ball
C .  momentum of rubber ball is less than that of lead ball
D .  none of these.
Answer: Option D
Answer: (d).none of these.

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