Question: Problem-1 A tennis ball of mass 0.07 kg is moving towards a racket at a speed of 30m/s. After collision, the ball moves at

Problem-1 A tennis ball of mass 0.07 kg is moving towards a

Problem-1 A tennis ball of mass 0.07 kg is moving towards a racket at a speed of 30m/s. After collision, the ball moves at the same speed in the opposite direction. Caculate the magnitude of the force acting on the ball if the time of contact between the ball and the racket is a) 0.01 s b) 0.05 s 30 ms- 30 mg-1

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