How much torque is applied to the disk

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Reference no: EM13255246

Starting from rest, a 12-cm-diameter compact disk takes 3.3s to reach its operating angular velocity of 2500rpm. Assume that the angular acceleration is constant. The disk's moment of inertia is 2.5Ã?10â??5kgm2.

How much torque is applied to the disk?

How many revolutions does it make before reaching full speed?

Reference no: EM13255246

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