[填空题]
A merry-go-round has a mass of 1640 h(xlc(ml m 75rlyk+zj/yc,4h,l)me f kg *xpak p)h7ode673erp and a radius of 7.50 m. How much net work is required to acdoahpp p7 xe*)k e73r6celerate 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
