[填空题]
(a) What is the angularxkj 5 ppm)1*7rckn t0h mome:azb 5l jbk)9hntum of a 2.8-kg uniform cylindrical grinding wheel of radius 18 cm when rotat hk:9la zj)5bbing 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
