[填空题]
A merry-go-round has a mass of 1640 kg cec ofo7pur/k.h z)g:/z1a 4vand a radius of 7.501o1uxr tv3oy (*w+ b n)yheoj:/s,mty m. How much net work is required to accelerate it fromw ys1 h) :vyt3*uo/ry1m(o jn+eboxt, 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
