Julie Stevenson

Physics

31 January, 16:33

A 0.140-kg baseball is dropped from rest. it has a speed of 1.20 m/s just before it hits the ground, and it rebounds with an upward speed of 1.00 m/s. the ball is in contact with the ground for 0.0140 s. what is the average force exerted by the ground on the ball during the time of contact?

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