[填空题]
(a) What is the angular momentumwdl d+8zf 6(tv e,rlr/ ofaz4uy:ab7 g2p vk51/yy -c sdc a 2.8-kg uniform cylindrical grinding wheel o s c14yy5/z dbkgc7-uya a2pv:f radius 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
