[填空题]
A figure skater can increase her spin:yi ve:pp1y+gm),o1plaj j3wl8ua8h rotation rate from .vcwy,6mh h)q4ql1xu an initial rate of 1.0 r qxlhq6y1u.vmh)c,4wev 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
