[填空题]
A centrifuge rotor rotating ax/ : eqkmo.vt7t 10,3u-tsuhy ;0rq, ,* *xdern2cnh 00 rpm is shut off and is eventually brought uniformly to rest by anun0t*c -q;2h,y ud,r hsr*xe frictional 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
