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    Newtons Second Law for Rotation

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    A CD has a mass of 17 g and a radius of 6.0 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 21 rad/s in 0.80 s. Assuming the CD is a uniform solid disk, determine the net torque acting on it.

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    Solution Preview

    m = 17 *10^(-3) kg
    r = 6*10^(-2) m
    w = final angular velocity = 21 rad/s
    t = 0.8 ...

    Solution Summary

    Newtons Second Law for Rotation is examined. The torque is determined.