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We have a rubber ball and is dropping it off a table that is 1.3m high...

We have a rubber ball and is dropping it off a table that is 1.3m high onto a hard surface. When the ball hits the surface, it loses 15.0% of its energy on each bounce.

a) How high will the ball bounce on the first bounce?

b) How high will it bounce on the second bounce?

c) How fast should we throw the ball straight down so that the ball would return to its original height of 1.3m?

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