Question: A skater is spinning about a fixed vertical axis when she lifts her arms above her head; her angular speed about the axis of

A skater is spinning about a fixed vertical axis when she lifts her arms above her head; her angular speed about the axis of rotation increases from 27 rad s- to 37 rad s-1. By what factor does her rotational kinetic energy change? (You may assume that her angular momentum is conserved.)

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The rotational kinetic energy of an object is given by the formula KE 12 I 2 Where KE ... View full answer

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