Question: When a ceiling fan rotating with an angular speed of 3.66 rad/s is turned off, a frictional torque of 0.125 N # m slows it

When a ceiling fan rotating with an angular speed of 3.66 rad/s is turned off, a frictional torque of 0.125 N # m slows it to a stop in 31.8 s. What is the moment of inertia of the fan?

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