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A ball of mass m falls from rest from a height of y1, collides with the...

A ball of mass m falls from rest from a height of y1, collides with the ground and bounces back up to y2. The collision time with the ground is ?t. A) Determine the momentum of the ball immediately before the collision with the ground. B) Determine the momentum of the ball immediately after the collision with the ground. C) Determine the average force exerted on the ball during the collision. Now let: m = 0.080 kg y1 = 3.0 m y2 = 2.0 m ?t = 0.005 s. D) Determine the numerical value of the impulse of the ground on the ball during the collision. E) Determine the numerical value of the change in the kinetic energy during the collision

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