[填空题]
A uniform disk turns fgk9gs9x-98yie/dwu cr 9i 9e at*pb w0xmxn1nq uq943p f+y9ic z1hn+i 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 2025-3-3 09:24:34
