Question: A computer disk drive is turned on starting from rest and has constant angular acceleration. If it took 0.750 s for the drive to make

A computer disk drive is turned on starting from rest and has constant angular acceleration. If it took 0.750 s for the drive to make its second complete revolution,
(a) How long did it take to make the first complete revolution, and
(b) What is its angular acceleration, in rad/s3?

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