An ice skater, whose moment of inertia is I = 4 kg-m2, is spinning at 2 rad/sec.

An ice skater, whose moment of inertia is I = 4 kg-m2, is spinning at 2 rad/sec. She changes her moment of inertia to 2 kgm2 by changing the configuration of her body. Her angular momentum remains the sameangular velocity increaseskinetic energy increasesall of above 

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