[填空题]
A merry-go-round has a mass of 1640 kg and ajf h3d*rlwpn3*p 0l9b radius of j4a rtvx:;hu(7.50 m. How much net work is reatxju;v (:h 4rquired to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
