[填空题]
(a) What is the angular momentum of a 2.8 xa3-,v wjkwf+-kg uniform cylindrical grsd gm3*ib qg-g7* zoq.inding wheel of radius 18 cm when rot*g3-o 7gmqsqd. *bi gzating 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
