[填空题]
A centrifuge rotor rotating at 10,300 pp2c .4o +*uhyv; yufprpm is shut off and i;v tf rvxua9 pd. j1ks)t1w2o*s eventually brought uniformly to rest by a frictional torque of 1.2 *xf1 2)v 1pkr.udts;avj ot9 w$m \cdot N$ 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
