[填空题]
A merry-go-round has a mass o;nvr2-,ircs6z si b k9f 1640 kg ax(nkvp +tk qx :u4qa(0nd a radius of 7.50 m. How much net work is required to accele :vx (naxq kupq+k4t(0rate 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
