[填空题]
A figure skater can increase her spin rotation rate f + /5f)chcgox -rjedfg-.9 jihrom an initial re l49lylji57 ib,. anjate of 1.0 rev every 2.0le lnji, 4l i5ay7.bj9 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
