[填空题]
A figure skater can isinmqvz4.+p;zot z 5:ncrease her spin rotation rate from an ini-0 1 lw(rj9.pszkz5tu9h( carca )dqq tial rate of 1.0 rev every 2.0 s to a final -r(5 uc sa )cwdh(q .zzk1p9r9lt0qaj rate of 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? $kg \cdot m^2$