A skater rotates at 45 revolutions per second revs with


A skater rotates at 4.5 revolutions per second (rev/s) with legs together and arms raised over his head. By extending his arms and one leg outward, he increases his mass moment of inertia by 40%. What is the new rotation rate?

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Physics: A skater rotates at 45 revolutions per second revs with
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