[填空题]
A centrifuge rotor rotating at 10 r 2a3hw11f2aphhl5sp,300 rpm is shut off and ij+s(h0c p z(ge am1pcskg0m7 0s eventually brought uniformly to rest by m g+ 0ps(0ce0phzck am 7s1gj(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
