1.

A ball of mass 50 gm is dropped from a heighth 10 m. It rebounds losing 75 percent of itskinetic energy. If it remains in contact with theground for At 0.01 sec., the impulse of theimpact force is:(A) 1.3 N-s(B) 1.05 N-s(D) 105 N-s(C) 1300 N-s

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