[填空题]
A centrifuge rotor rotating xqu hs .qf- wo4((du8zat 10,300 rpm is sxv qlkwxc-0d-f d6 p17hut off and is eventually brought uniformly to rest by a frictional torque of 7--w6xv pk l ddfqx10c1.2 $m \cdot N$ 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
