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A 0.42 kg soccer ball is moving at 9 m/s when kicked against a wall and bounces back. The wall applied a force of 341N over 0.02 s. What is the velocity of the ball when it bounces off the wall?

Sagot :

LetsProidn

Answer: 1.While the ball is not in contact with the ground, the height at time t after the last bounce at t0 is given by h(t+t0)=v0t−12gt2. where v0 is the velocity just after the bounce. 2.During the impact, the ball will deform and there will be friction.

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