[填空题]
A centrifuge rotor rotatingcp )n,op p-a+bb1a+mg at 10,300 rpm is shut kdsr(l(o3xxe5nu clx+rzv q 7(2u)k2 off and is eventually brought uniformly to rest by a frictionalrnkczsk2ux(d5(eu q27 r(3 )+x lvxol torque of 1.2 $m \cdot N$ If the mass of the rotor is 4.80 kg and it can be approximated as a solid cylinder of radius 0.0710 m, through how many revolutions will the rotor turn before coming to rest, $rev$ how long will it take? s
Post time 2025-2-18 20:00:22
