[填空题]
A centrifuge rotor rotating at p)pi9p94bm(owh awmbxw558 o10,3r. 2i(:sijug bl;d 5re00 rpm is shut off and is eventually brought uniformly to rest by a frictio:irb;jlg i.( usre 52dnal 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
