[填空题]
A figure skater can increase her spin pp9,e nfzk:e 6rotation rate from an initia j9iza2/ury/zg1q/gx f s7 jw8l rate of 1.0 rev every 7/i9g/1jwg2j zxy qa/r8uzsf2.0 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
