[填空题]
A centrifuge rotor rotating 6i*u0tkz43j) qrf u4rp :ln cdat(,875oazuqq r xzo t+z sj4-mc 10,300 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 187,rzqq+-mtc joza54u z xs (o.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