[填空题]
A centrifuge rotor rotating j )7o7civ xr(mat 10,300 rp.ox3qn y; *p itpe+q:xm is shut off and is eventually brought uniformly to rest by a frictional torque of pyx 3:op*iq+n t.;qxe 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
