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10-78 A centrifuge of moment of inertia 2.25 x 102 kg.m rotating at 2.50 X 10 rpm is brought to rest by a constant frictional torque of magnitude 2.31 N.m. (a) What is the angular acceleration of the (b) How long does it take to come to rest? (c) How many revolutions does it make in coming to rest? centrifuge?
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6 D ,る! c) = 33378.4 = 5312,3 rev

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