[填空题]
A centrifuge rotor rotating at 10,300 rpm is shut off and is eventuall fa59 zq7zc3cjy brou m9w4uhoul8a.x57bv ught unifo.ax 4h u958vublumw7 ormly to rest 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
