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part A A centrifuge rotor rotating at 9600 rpm is shut off and is eventually brought...

part A

A centrifuge rotor rotating at 9600 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 2.46 m⋅N . Part A Part complete If the mass of the rotor is 4.40 kg and it can be approximated as a solid cylinder of radius 0.0740 m , through how many revolutions will the rotor turn before coming to rest?

part B

How long will it take?

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