[填空题]
A centrifuge rotor rotating at 10,300 rpm is shut off and i d8 j7r(j(kk dz)biqu)s hd* xt+ug:/jqw -b(mb tk*6+r.rawt deventually brought q hx-kt d.+/(t** mrwdrbbatj wg6u +:uniformly 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
