[填空题]
(a) What is the angu-d;bt e r3si lh7 (:ccrb:v/bylar :uwgn j:*h6bwd 2/u(py emdn. momentum of a 2.8-kg uniform cylindrical grinding wheel of radius 18 cm w6 h:dyw(eup/2b w* md.ujnng :hen 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
