[填空题]
A centrifuge rotor rotating 6udgse.g l 5b3g/x8ya at 10,301)xb mzt5ot uxir,:4k0 rpm is shut off and is eventually brought uniformly to rest tb:4 ki1)ou5mrzt xx, 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
