[填空题]
A merry-go-round has a mass of 1640 kg and ayq4-i9v9 ug fz radius or8e1 er cob;y*tj gzd19:dm9jf 7.50 m. How much net work is required to accelerate it from rest to a royd:jrdeot;m9e1 9gzb 18j r*ctation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
