A merry-go-round with a moment of inertia equal to [moment]…
A merry-go-round with a moment of inertia equal to kg m2 and a radius of m rotates with negligiblefriction at rad/s. A child initially standing still next to the merry-go-round jumps onto the edge of the platform straight toward the axis of rotation, causing the platform to slow to rad/s.What is her mass?