[填空题]
A merry-go-round has a mass of 1640 kg anfk2ka7;2zin rktqp mr9hy2- : d a radiunnf+ h:j0uq s62-xv gnit5, o ecm.-dcs of 7.50 m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is c e0.h 2i :jsvun qo-6- +nfxcmdtg,n5a solid cylinder. J
Post time 2025-2-18 20:00:22
