[填空题]
(a) What is the angular momentum of a 2.8-kg;t6n8 qde :kqactpkw bimj2slz-*g:j 02; 3q f uniform cylindrical grinding wheel of radius 18 j lk:2;2g3jbs0imczfq w-tp* 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
