[填空题]
(a) What is the angular momentu wtkt3dgg kw/+erj)): m uxp1uthfe 3/s,hk t82 of a 2.8-kg uniform cylindrical grinding wheel of radius 18 cm when rotating at 1500 rpm?h huus28 p31/,fexktt $kg \cdot m^2$ (b) How much torque is required to stop it in 6.0 s? $m \cdot N$
Post time 2025-2-18 20:00:22
