[填空题]
A figure skater can increase her spin ra9jr fo64-+w ;uu, : bxvwdmxwotation rate from an initial rate ocpvz tc7-u m;g5w(dfvw6u ;u3r( l, vdf 1.0 rev every 2.0 s to a final rate o u7t 5 uvl (md6 zrv-c(gduf;w,;c3vpwf 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
