[填空题]
A centrifuge rotor rota khqos hm-4ys* 0d(/xcting at 10,300 rpm is sh)ee:fssx0rs0 km0, quut off and is eventually brought uniformly to rest by a frictional torque kx),0 sm0qeu0fr:essof 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
