Question: An 8 . 6 - cmcm - diameter, 4 0 0 gg solid sphere is released from rest at the top of a 1 .

An 8.6-cmcm-diameter, 400 gg solid sphere is released from rest at the top of a 1.5-mm-long, 16 incline. It rolls, without slipping, to the bottom.
Part A
What is the sphere's angular velocity at the bottom of the incline?
What fraction of its kinetic energy is rotational?

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