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Science · Physics
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A size-5 soccer ball of diameter 22.6 cm and mass 426 g rolls up a hill without slipping, reaching a maximum height of 9.00 m above the base of the hill. We can model this ball as a thin-walled hollow sphere.

Part A

At what rate was it rotating at the base of the hill?

Part B

How much rotational kinetic energy did it then have?

Answer
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