[填空题]
(a) What is the angular momentum of a 2.8-kg uniform cylindrical grindingf r* dx jsx,+de:*.qe*cgf1cx whig3c jviogtdlev4:9 uf5 g8 6ql 9:u1ueel of radius 18 cm when rotating 4u luevi dt3li o8j:91:gfgg cuv5 q96at 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
