1.

A ball of 1 kg drops vertically onto the floor with a speed of 25 m/s. It rebounds with an initial velocity of10m/s. What impulse acts on the ball during contact(A) 35 kg m/s downwards(C) 30 kg m/s downwards(B) 35 kg m/s upwards(D) 30 kg m/s upwardsPna 16 Ph: 9708038432/33

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