inertia

a 60 child stands on the edge of a mary-go-round which has a moment of inertia of 300 kg-m^2 about the axis of rotation and a radius of 2.0 m. if the angular speed of the system is 1.5 rad/s when the child is at the rim what will be the angular speed when she walks to a point at 0.50 m from the cent…