[填空题]
A figure skater can increase her spin *k6f im/szrcqr.3g(k rotations7d;lple2ve ; pu hedn47l*s+ rate from an initial rate of 1.0 rev every 2.0 s to a finv4nlsuee l p*;2+l pehs;dd7 7al 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
