[填空题]
A figure skater can incre qcnx/c 9x) cfs43.ndyase her spin rotation rate from an initial ratee:)2cu+4osx *xfolm xks p+4l of 1.0 rev ever l:+s)mxc +oxk4sfe*2 ou4lx py 2.0 s to a final 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? $kg \cdot m^2$