[填空题]
A uniform disk turnsz1jqdl5z2 g2 g7z* ryddu xmp s1b70r; at 2.4 $rev/s$ 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 2025-2-18 20:00:22
