[填空题]
A merry-go-round has a mass of 1640 p0i t/e d)wkb) e.m.frkg aoalws;hx9* o(nd a radius of 7.50 m. How much net work is required to accelerate it from rest toxws ; lo*oa(h9 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
