[填空题]
A figure skater can increase her spimh6et6tu1 ;19vnby+4 bftc z k gm-zxtm)l12yn rotation rate from an initial ratw6 6d an5xme8ie of 1.0 rnam6w5xd8e6i ev every 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? $kg \cdot m^2$
Post time 2025-2-18 20:00:22
