[填空题]
A figure skater can increasen2oq)la6ms p)) 7c+hr b+zbiq her spin rotatio:, kuov*glbp 2n rate from an initial rate of 1.0 rev every 2.0 ,b:op2u l *kvgs 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
