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An ice skater has a moment of inertia of 5.0 kgœm2 when her arms are outstretched. At this time she is spinning at 3.0 revolutions per second (rps). If she pulls in her arms and decreases her moment of inertia to 2.0 kgœm2, how fast will she be spinning?

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The law of conservation of angular momentum:  The total angular momentum of a rotating object remains constant if the net torque acting on it is zero.


An ice skater has a moment of inertia of 5.0 kgœm2 when her arms are outstretched. At this time she is spinning at 3.0 revolutions per second (rps). If she pulls in her arms and decreases her moment of inertia to 2.0 kgœm2, how fast will she be spinning?






 
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