[填空题]
(a) What is the angular momentum of a 2.8-kg unifor +0 uh dg+ewg+0r:l5 qvunhw0ppkd: z0m cylindrical grinding whej )2 )wm.wjlhkel of radius 18 cm when rotat)mjwh)lw. 2 jking at 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
