[填空题]
(a) What is the angular momentum of a 2.8-kg unifro pbm n.y7 l0td.ksp7: ka, ov2+w4jcyw pz42ormeasomcpek0h6 brp5 t9y1i(6+x .6xal cylindrical grinding wheel of radius 18 cm when rotating a6sxrxay peb6+(5o pi0m.tc ehkl a619 t 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
