[填空题]
(a) What is the angular momentum of0b3bgh2 : ;ap9ly nuno4 ba0tg a 2.8-kg uniform cylubmv+10n oeg0indrical grinding wheel of radius 18 cm when0 me 0+nbg1ovu 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
