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(a) A superball of mass 0.1kg is dropped from a height of 3 meters above the...

(a) A superball of mass 0.1kg is dropped from a height of 3 meters above the floor. It then bounces up to a height of 2.6 meters. Find the velocity of the ball the instant before it reaches ground level. (Hint: use energy equations)

(b) Calculate the velocity the ball must have after the bounce at the instant it leaves the ground the reach the height of 2.6 meters.

(c) Use these velocities to calculate the change i. momentum of the ball.
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