[填空题]
(a) What is the angular momentum of a 2.8-kg uniform cylin )oohya,.z ez/ho.p4kdrical grinding/vod yyw866 bh wheel of radius 18 cm when rotating at 156/ h d6wy8ovby00 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
