[填空题]
A figure skater can increase her spin i9t:tnx2 be -9eutgi2 rotation rate from an initial rate ,k:n;kwfx ym. b58g)gjob;eh of 1.0 rev every 2.0 s to k.wg,fjyh5)kn8e;b :;mbo x ga 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
