[填空题]
A centrifuge rotor rotating at 10,35o 0.22:,r byzuo agd0qkhmga00 rpm is slbw ;b2xc1l 6gp.8 wkt-3yzf.-zxhf o hut off and is eventually brought uniformly to re fb6gb1px t2xl3okw. flc-8z.hyw- ;zst 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
