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Statement of a problem № 2578

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The wheel on a grinder is a uniform 0.90-kg disk of 8.0-cm radius. It coasts uniformly to rest from 1400 rpm in a time of 35 s. How large a friction torque slows its motion?

Solution:
The wheel on a grinder is a uniform 0.90-kg disk of 8.0-cm radius. It coasts uni

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