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An 8.50-cm-diameter, 360 g solid sphere is released from rest at the top of a 1.90-m-long,...

An 8.50-cm-diameter, 360 g solid sphere is released from rest at the top of a 1.90-m-long, 15.0 ∘ incline. It rolls, without slipping, to the bottom.

Part A

What is the sphere's angular velocity at the bottom of the incline?

Part B

What fraction of its kinetic energy is rotational?

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