Question

A rubber ball of mass 100 g falls from a height of 4.90 m and after hitting the ground it rebounds to a height of 2.45 m. The impulse imparted to the ball by the ground if the time for which they are in contact was 0.2 s is A. 1.67 Ns B. 2.38 NS C. 3.34 NS D. 0.84 NS​

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Answer 1

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