[填空题]
(a) What is the angular momentum of a 2.8-kg uniform nh:z4 mfk3wgx4ofo( lv- )yd)cylindrical gridlmqz k.lv921 sd+/svnding wheel of mld9lvdsv+ sq/ 2.1kz 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
