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  3. a disk is free to rotate about a fixed axis at its

A disk is free to rotate about a fixed axis at its center. If the...

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A disk is free to rotate about a fixed axis at its center. If the angular velocity of the disk as a function of time is given by w = 3t4-2t - 6 (in rad/s with t in seconds), find its angular acceleration at t = 3.500 s.512.5 rad/s514.5 rad/s437.2 rad/s441.0 rad/s

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