[填空题]
A figure skater can increase her spin rotat(92 0qlcg oeacc42gi8 se 8rdxion rate from an initial 7wnnw-q,q 5upbe+r g6iaa46vrate of 1.0 rev every 2.0 s to a final rate ofurp-wbaqgq,+a n i e5v n7664w 3 $rev/s$ If her initial moment of inertia was 4.6 kg*$m^2$ what is her final moment of inertia? How does she physically accomplish this change? $kg \cdot m^2$