Rework Problem 10.8 using the relation between work and energy. Problem 10.8 The wheel on a grinder
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Rework Problem 10.8 using the relation between work and energy.
Problem 10.8
The wheel on a grinder is a homogeneous 0.90-kg disk with a 8.0- cm radius. It coasts uniformly to rest from 1400 rpm in a time of 35 s. How large a frictional torque slows its motion?
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The wheel originally had KE r but as the wheel slowed this ene...View the full answer
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The wheel on a grinder is a homogeneous 0.90-kg disk with a 8.0- cm radius. It coasts uniformly to rest from 1400 rpm in a time of 35 s. How large a frictional torque slows its motion?
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