A centrifuge rotor rotating at 1.03×104 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.20 m⋅N. a)If the mass of the rotor is 4.00 kg and it can be approximated as a solid cylinder of radius 7.30×10−2 m, through how many revolutions will the rotor turn before coming to rest? b)How long will it take?
A centrifuge rotor rotating at 1.03×104 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.20 m⋅N. a)If the mass of the rotor is 4.00 kg and it can be approximated as a solid cylinder of radius 7.30×10−2 m, through how many revolutions will the rotor turn before coming to rest? b)How long will it take?
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 10.3CQ: Suppose just two external forces act on a stationary, rigid object and the two forces are equal in...
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A centrifuge rotor rotating at 1.03×104 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 1.20 m⋅N.
a)If the mass of the rotor is 4.00 kg and it can be approximated as a solid cylinder of radius 7.30×10−2 m, through how many revolutions will the rotor turn before coming to rest?
b)How long will it take?
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