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# Physics - Mechanics - Rotational Motion

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A constant torque of 25.0 N M is applied to a grindstone whose moment of inertia is 0.130kg m^2. Using energy principles and neglecting friction, find the angular speed after the grindstone has made 15.0 revolutions.

##### Solution Summary

The epert examines the totational motion and finds the angular speed after the grindstone. A complete, neat and step-by-step solution is provided

##### Solution Preview

Torque applied = Moment of inertia x angular acceleration

25 = 0.13(alpha). ...

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