how to calculate rotational kinetic energy?
['Rotational kinetic energy can be expressed as: Erotational=12Iω2 E rotational = 1 2 I ω 2 where ω is the angular velocity and I is the moment of inertia around the axis of rotation.', 'The mechanical work applied during rotation is the torque times the rotation angle: W=τθ W = τ θ .']