[填空题]
A centrifuge rotor rotating at 10,300ejgk,nj 0 z 4./3qp6es v)hcqua4dc21 sdg t:b rpm is shut off and is eventually brought uniformly to re dt4 d:bcgs21ast by 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
