### Estimate what fraction of its kinetic energy is rotational

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##### Reference no: EM13544968

An 6.60-cm-diameter, 300 sphere is released from rest at the top of a 1.70-m-long, 20.0 incline. It rolls, without slipping, to the bottom.

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

b) What fraction of its kinetic energy is rotational?

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