Find how long was the ball in contact with floor

Reference no: EM13682028

A 2.2 kilogram ball drops vertically to the floor hitting with a speed of 65 meter per second. It rebounds with a speed of 50 meter per second. If the average force the ball exerts on the floor is 250 Newton, find how long was the ball in contact with floor?

Reference no: EM13682028

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