[填空题]
(a) What is the angular +m2ww5j,ior;: jhbf imomentum of a 2.8-kg uniform cylindrip3a5z+v 5x uxdcal grinding wheel of radius 18 cm when rotating at 15xp x+53vu adz500 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
