[填空题]
(a) What is the angular momentum of a 2.8-kg uniform *-.fggkm rzb.cylinde ;,auv lqoxzb* )a4)drical grinding wheel of radius 18 cm when rotating abxzao)v ;q4ela, du* )t 1500 rpm? $kg \cdot m^2$ (b) How much torque is required to stop it in 6.0 s? $m \cdot N$
Post time 2025-2-18 20:00:22
