[填空题]
A centrifuge rotor ro dpxf s03*ng (nkr(m*)t+ufastating aqmtnki.v:.d: ch() ,c guec . pmdx3-mt 10,300 rpm is shut off and is eventually brought uniformly to rest by a eidmh(k.uctx3: pq .m.mv)ncc-,dg: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
