Question: When a ceiling fan rotating with an angular speed of 3 . 6 6 rad / srad / s is turned off, a frictional torque

When a ceiling fan rotating with an angular speed of 3.66 rad/srad/s is turned off, a frictional torque of 0.125 NmNm slows it to a stop in 31.1 ss.
Part A
What is the moment of inertia of the fan?

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