[填空题]
A figure skater can increase her spin rotat/j c*(mqygds;abbzn t5+ ,8ilion rate from an initial rate of 1.if2si;v2t cnttdla,lb ) 94;r0 re b9;2rtn;llv tc)afi s ,it4d2v every 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
