A rotating uniform cylindrical platform of mass 220 kg and radius 5.5 m slows down from 3.8
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A rotating uniform cylindrical platform of mass 220 kg and radius 5.5 m slows down from 3.8 rev/s to rest in 16 s when the driving motor is disconnected. Estimate the power output of the motor (hp) required to maintain a steady speed of 3.8 rev/s.
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