[填空题]
A centrifuge rotor rotating at 10,300ptsl7 +8fv ;yg rpm vfxea+le 9euv/2 2:vk is shut off and is eventually brought unifo/eevlfv +ue9x:k v2a2rmly 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
