[填空题]
A figure skater can ihvb 6ohbim7fs( 7s3)nz j7qh,ncrease her sp r; 7rwku)4xzf5eep 5pin rotation rate from an initial rate of 1.0 rev every 2.0 s to a fpf;5xk z p7)4ew eru5rinal 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
