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A computer disk drive is turned on starting from rest and has constant angular acceleration. Part A If...

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Question

Physics

A computer disk drive is turned on starting from rest and hasconstant angular acceleration.

Part A

If it took 0.420 s for the drive to make its secondcomplete revolution, how long did it take to make the firstcomplete revolution?

Part B

What is its angular acceleration, in rad/s2?

Answer & Explanation Solved by verified expert
3.9 Ratings (673 Votes)
Part AUsing second rotational kinematic law wit 05alphat2here wi initial angular speed 0for the drive to    See Answer
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