[填空题]
A figure skater can incre x9ii:x7j ) :8dvrfgi)9c oofiase her spin rotation rate from an initial r qa/f3g4 qbiwt 9lf70xate of 1.0 rev every 2.0 s to a fi7/9ff q4a qlw 0xg3tbinal 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
