[填空题]
A figure skater can increazs4e :/ kv)v:w)kbqj fsew6w.ebz b8zy;.dqx k) her spin rotation rate from an initial rate of 1.0 rev every 2bb z edyxq.;z)w6w.8k.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
