[填空题]
A centrifuge rotor rotating at 10,300 rpm is shut off+cp/ 3 )x9a d.hpia;ly 7buvht and is evp +(alfn+nqdxtc0 9 r7l0h1bqentually brought uniformly to rest by a frictional torque of7l lh0r1qt+(ba0 +xfn q pn9dc 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
