[填空题]
A figure skater can increase her spin ,4 o6: 7zi 6xtkcaujzjrotation rate from ,.htzz rf ):i l2jm(unan initial rate of 1.0 rev every 2.0 s to a fintmru:2) lhin.,z z (jfal 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
