[填空题]
(a) What is the anguladc wn)(7o 4rdzlnw9,aigz5o h :x s.5v3vmid4 r momentum of a 2.8-kg unifns:a bb8nc ;x+orm cylindrical grinding wheel of radius 18 cm when rotating at 1abbn:x;+ c8sn500 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
