Question
A ball of mass 0.15 kg is dropped from a height 10 m, strikes the ground and rebounds to the same height. The magnitude of impulse imparted to the ball is (g=10 m/s2) nearly
Options :
0 kg m/s
4.2 kg m/s
2.1 kg m/s
1.4 kg m/s
Answer :
4.2 kg m/s
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