[填空题]
(a) What is the angular momentum of a 2.8-kg un6f ,evi) t0idm-)vmz3 z-r lvmifhvcfq7 / f+c/zhb+mv5lq g16 borm cylindrical grinding wheel of radius 18 cm when rotating at 1500 rpm?6l+ch g/ h+fc bqv/7vmz1bq5f $kg \cdot m^2$ (b) How much torque is required to stop it in 6.0 s? $m \cdot N$
Post time 2025-2-18 20:00:22
