[填空题]
A centrifuge rotor rotating at 10ihr, s s;kj4fbe+81 eh,300 rpm iswh032 tv)j nc;.fe53iqs et +1pzepoe shut off and is eventually brought uniformly to rest by a frictional tocsie3 h1wvjeppft .+o ) e320en;tqz5rque 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
