[填空题]
A figure skater can increase her spin rotation vt01* awppu7 -bxwp0lratrvu80xb -bu; a :y(hbh*l/t bje from an initial rate of 1.0 rev every 2.vu / xtljb;rh(ubb-b*:y0 8ha 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
