[填空题]
(a) What is the angular momentum of a 2.8-kg uniform *+rww* bzafh i wx(*lv ,.z2xdcylindrical grindw5*cmlajb -wojp:. q 9ing wheel of radius 18 cm when rotating at 19 loj j:.c*5w m-baqwp500 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
