[填空题]
(a) What is the angular mo3b3;z-m ulyyl ud;y 6ifr/t yvz.(v0 nmentum of a72jt+.n7 ur i dhzu0jf,ie h7mxl7 *zh 2.8-kg uniform cylindrical grinding wheel of radius 18 cm when rotating at 1uul.7dt7h ,zrn+fhj i*m 20zejhi7x7 500 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
