[填空题]
A figure skater can increase4 fikn+ u norx3i0;iq1 her spin rotation rate from an initial rgz)wtpwp/b31w12fp a ate of 1.0 )1tp p paz1w2f w3wg/brev every 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
