[填空题]
A centrifuge rotor rotating a6qx+n.n 9qxoj3 ,mzp2eg tr,pt 10,300 rpm is shut off and is l7,;jbx) manw eventually brought uniformly to rest bywa,;bx7 j) lnm 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
