[填空题]
A figure skater can increaw;e22- rxumsh0zw v v+d ba+(pse h*/al r)d4lew nk5tg-b er spin rotation rate from an initial rate of 1.0 rev everk- w*l/ lternag4 5db)y 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
