How various revolutions will rotor turn before coming rest

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Q. A centrifuge rotor rotating at 14,000 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.60 m•N. If the mass of the rotor is 4.80 kg and it can be approximated as a solid cylinder of radius 0.0710 m, throughout how various revolutions will the rotor turn before coming to rest?

Reference no: EM1389193

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