[填空题]
A figure skater can increase her8 upr/1gr4o)ekm ,q thwy1bc3to 7 rw:d;w4ja spin rotation rate from an initfw sk 2 kh7g*hxvk1,(dial rate of 1.0 rev every 2.0 s to a fik*hh (kx, v217dkwg fsnal 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? $kg \cdot m^2$