[填空题]
(a) What is the angular momentum of a 2.a*+f4 a5wmckjo hc64c8ux2 xns,oez aq/u* s6.yet3h4dh g0 xmc iyk zd./;h.8-kg uniform cylindrical grinding wheel of radiumk hag zt.yh/ 6 i4u/xqhdc;dy0s.*e3s 18 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
