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    Rotational Work and Kinetic Energy

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    A 0.050kg phonograph record with a radius of 0.15m drops onto a turntable and is soon rotating at 33 1/3 rpm. How much work must be supplied to get the record to rotate at this speed, and what supplies the work?

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    Solution Preview

    A 0.050 kg phonograph record with a radius of 0.15m drops onto a turntable and is soon rotating at 33 1/3 rpm. How much work must be supplied to get the record to rotate at this speed, and what supplies the work? ...

    Solution Summary

    Calculates the work done.

    $2.19