[填空题]
A figure skater can ivo-.: nimeld: x ah ,hj1.m 5l4,h1hcnn wtp+dncrease her spin rotation rate from an initial rate - eo*h2e -t-z7 t;h*k wz4ccs)vxspkgof 1.0 rev every 2.0 s to a fina c t 4p7vs;2w)-xhz *est*ehoc-kz-kgl 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? $kg \cdot m^2$
