Physics, 30.07.2019 02:30 chelseayazzie16
A0.75-kg ball falls vertically downward from a height of 55.0 m and rebounds upward. if the ball reaches a height of 30.0 m and the contact between the ball and ground lasts 2.50 ms, what is the average force exerted on the ball by the ground?
Answers: 1
is the change in momentum, 
is the average force and t is the time.
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A0.75-kg ball falls vertically downward from a height of 55.0 m and rebounds upward. if the ball rea...
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