[填空题]
(a) What is the angular momentum of a 2.8-kuy zbe4 /alw2)hv /rercl7h00,o03q(soasy g g uniform cylindrical grinding whr,g,4f)kg : sl u vld)ahv/ri+eel of radius 18 cm when rotating at 1500s4,rfllrva ku)gdh+iv,): /g 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
