[填空题]
A figure skater can 3n y m3tj,eac-cwr+ lmqhl 354incre5gsb ji-pg. hw+.m gp7ase her spin rotation rate from an initial rate of 1.0 rev every 2.0 s to a final rg.g.mp-b7 sh5gji+w p ate 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
