[填空题]
A centrifuge rotor r j64ut8;6+ xx19o euu5 gadflr cfnmc9otating at 10,300 rp /cp9r jx j6qmu /i;v2+ffw9tem is shut off and is eventually brought uniformly to rest byeqjtc; 2v+/9wfj 6pmx /r9uf i a 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
