[填空题]
A centrifuge rotor rnn29yba 8yfu v c7xo: 7j:8zrzotatin8g,a 9n4 k ata-hguiq rmny5+rs. +ct(g at 10,300 rpm is shut off and is eventually brought uniformly to rest by aqy-r9hmct,a s.5g+ua +r4gt(8 naikn 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
