[填空题]
A centrifuge rotor rotating at 10,300 rpm is shut op n3 1cy/l5rxoff and is eventually bro2kl,y,qp2dye ww.m(j ught uniformly to rest by a frictional torque,2wmd yw .jpek y(,l2q 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
