[填空题]
A uniform disk turns at 2 )ylh;p9q tiaqp k*eetm113mu :h4 r5u..gn :4lbxe+ay4hyv*h 4m n;ck0 kw3x m4 $rev/s$ 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 2025-2-18 20:00:22
