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momentum of the cylinder about its axis?13125 J 62.5 Kgm's36. (i) A child stands at the centre of turntable with his two arms out stretched. The turntable is set rotating with anangular speed 40 rpm. How much is the angular speed of the child f he folds his hands back and thereby reduces hismoment of inertia to 2/3 times the initial value? Assume that the turntable rotates without friction? [100 rpm](ii) Show that the child's new kinetc energy of rotation is more than the initial kinetic energy of rotation. How do youaccount for this increase in kinetic energy?12.5 sl

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