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Rotation: Angular Velocity Dynamics

Problem #: 2 | Variant #: 4

A 8.953 kg, 1.27 x 1.41 m rectangular piece of plywood is horizontally mounted in such a way that it can be spun about its center. There is a 0.8666 N-m torque while it is rotating due to friction in the bearings. If it is set spinning at a rate of 76.7 rpm how long will it take to stop rotating?

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