[填空题]
A centrifuge rotor rotating at 10,300 rpm is shut off and is ;kzx.7mip fh.ex7t ,qp;+ 8jcwkqq3; wniqq7uventually brought uniformly to rest by a frictional torque ,puk iwq+jqwt 8 7x;q qqc3;n7of 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
