[填空题]
A figure skater can increase her spin rotation rate fromy)( 3 1yncvp , +0 2chs4ft)tmwoxiiwy an initial rate oppk hlx -b (3*cb)ovpd.ge77r f 1.0 rev g-(.poebp d7crk* x)h7b p 3vlevery 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? $kg \cdot m^2$