Explain motor coming to rest

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Reference no: EM13137487

Motor coming to rest
A motor is running at 12 rpm and the switch is flipped and cuts the power. The rotor weighs 75 lbs. The radius of gyration of the rotor is 6``. The rotor experiences an average friction moment 6 lb/in. How many seconds does it take for the rotor to come to rest?

Reference no: EM13137487

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