[填空题]
A centrifuge rotor rotati171n3tyl s klvng at 10,300 rpm is shu r ;g2zaxn()g5w2nacpfif -f/ t off and is eventually brought uniformly to rest by rifg ;p )nan c/fa5- g2fz(w2xa 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
