[填空题]
A uniform disk turns5p .3c(9dhcu-yz j lrt at 2cn my;oyq-9s7 /pmg1t( )fah j,ctuk1 .4 $rev/s$ around a frictionless spindle. A nonrotating rod, of the same mass as the disk and length equal to the disk’s diameter, is dropped onto the freely spinning disk, Fig. 8–49. They then both turn around the spindle with their centers superposed. What is the angular frequency in rev/s of the combination? $rev/s$
Post time 2025-3-3 09:24:34
