A constant torque of 29.0 Nm is applied to a grindstone whose moment of inertia is 0.130 kgm2.

A constant torque of 29.0 N·m is applied to a grindstone whose moment of inertia is 0.130 kg·m2. Using energy principles, and neglecting friction, find the angular speed after the grindstone has made 15.5 revolutions. Hint: the angular equivalent of