A ball of mass 0.2 kg is dropped from a certain height above the ground. It bounces back after an elastic collision with the floor. If the speed with which the ball strikes the ground is 10 m/s, then the impulse imparted by the ball on the floor is
(A) 120 kg m/s (B) 8 kg m/s (C) 4 kg m/s (D) 2 kg m/s
A ball of mass 0.2 kg is dropped from a certain height above the ground. It bounces back after an elastic collision with
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A ball of mass 0.2 kg is dropped from a certain height above the ground. It bounces back after an elastic collision with
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