[填空题]
A figure skater can increase her spin rotation na /j5(bde j*irate fro,sla/k 9cyn7h p +ul-zm an initial rate of 1.0 rev every 2.0 s y7npl+, k c-9zhlsua/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
