A flywheel of mass 187 kg has an effective radius of 061 m, Ask an Expert

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A flywheel of mass 187 kg has an effective radius of 0.61 m (assume the mass is concentrated along a circumference located at the effective radius of the flywheel).

(a) How much work is done to bring this wheel from rest to a speed of 119 rpm in a time interval of 33.3 s?

(b) What is the applied torque on the flywheel (assumed constant)?

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