[填空题]
(a) What is the angular momentum of a 2.8-kg unif-d,ml16x;t5 xz v lfslorm cylindrit5jm -n i9dbt1;k8,hb.c zayz cal grinding wheel of radius 18 cm when rotating at 1500 rpm? z5,d- 8mbt zyi;hk.cb9n1tj a $kg \cdot m^2$ (b) How much torque is required to stop it in 6.0 s? $m \cdot N$
Post time 2025-2-18 20:00:22
