[填空题]
(a) What is the angular momentum of a ved/ z(t58vp+mv1tgx 2.8-kg uniform cylindricaly lof;u l(vtw o;z374r grinding wheel oowut74z;yl 3lr;(vf of radius 18 cm when rotating 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
