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    Skater's Final Angular Velocity

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    An ice skater starts spinning at the rate of 1.5rev/s with arms extended. she then pulls her arms close to her body, resulting in a decrease of her rotational inertia to three-quarters of her initial value. What is the skater's final angular velocity?

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    Solution Preview

    We know that her kinetic energy should be constant
    w1=angular speed with arms stretching, ...

    Solution Summary

    The solution provides detailed explanations and calculations for the problem.