[填空题]
A figure skater can increase her spvx:.rw mff(xd uu490 uin rotatifme)paur2ny)z** o 0z on rate from an initial rate of 1.0 rev every 2.0 s to a foprmn)2)e *z u0fz y*ainal 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
