[填空题]
A figure skater can increase her spin rotatio9 7 s;dsbv4ffv3n;fgo9/+ahd1v wwmi n ratf;y+ex kc4j09*qq jcs suc *m:e from an initial rate of 1.0 rev evjx4m9qc+cf*0*sq jc u:s; eykery 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
