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A constant torque of 25.0 Nm is applied to a grindstone whose moment of inertia is 0.130 kg m Using energy principles and neglecting friction,

A constant torque of 25.0 Nm is applied to a grindstone whose moment of inertia is 0.130 kg m Using energy principles and neglecting friction, if the grindstone starts from rest, find the angular speed after the grindstone has made 15.0 revolutions.

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