[填空题]
A figure skater can i3e .tqc)b /er:ajr3v wncrease her spin rotation ratma7r2fm;wyl /ce- (xvkk0,r 3t 9rzr me from an initial rate of 1.0 rev k ml3-/w7e0acrvky( x r fz;rm9rm,t2every 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? $kg \cdot m^2$
