Question: A Figure skater can increase her spin rotation rate from an initial rate of 1.0 rev every 2.0s to a final rate of 3.0 rev/s.

A Figure skater can increase her spin rotation rate from an initial rate of 1.0 rev every 2.0s to a final rate of 3.0 rev/s. If her initial moment of inertia was 4.6 kg m2, what is her final moment of inertia? How does she physically accomplish this change?

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