[填空题]
A figure skater can increase her spin rotatio-5 lh;hb ej,fx6c q/:oxoon1ji qz .7bn rate from an initial rate of 1.0 rev everyxi .zqb c j:716oooq/n 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
