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A centrifuge rotor rotating at 9800 rpmrpm is shut off and is eventually brought uniformly to...

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Question

Physics

A centrifuge rotor rotating at 9800 rpmrpm is shut off and iseventually brought uniformly to rest by a frictional torque of 2.22mâ‹…Nmâ‹…N .

Part A

Please Express your answer to three significantfigures.

If the mass of the rotor is 3.67 kgkg and it can be approximatedas a solid cylinder of radius 0.0640 mm , through how manyrevolutions will the rotor turn before coming to rest?

Part B

Express your answer to three significant figures andinclude the appropriate units.

How long will it take?

Answer & Explanation Solved by verified expert
4.4 Ratings (537 Votes)
Initial rotational speed of the centrifuge N1 9800 rpmInitial angular speed of the centrifuge 11 102625 radsFinal angular speed of the centrifuge 2 0 rads    See Answer
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