[填空题]
A figure skater can increase srosc;e;mr b(x, r,s8ldtverqk 8)1:z4b +vt lck, ;b her spin rotation rate from an initial rate of 1.0 rev eve; z 4,k+qdb8b)t 1lkvrt:cev lry 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
