Starting from rest, a 12-cm-diameter compact disk takes 2.8 s to reach its operating angular velocity of 1800 rpm . Assume that the angular acceleration is constant. The disk's moment of inertia is 2.5×10−5kgm^2. How much torque is applied to the disk? How many revolutions does it make before reaching full speed?
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Starting from rest, a 12-cm-diameter compact disk takes 2.8 s to reach its operating
How much torque is applied to the disk?
How many revolutions does it make before reaching full speed?
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