[填空题]
A merry-go-round has a mass of 1640 kg and cgcwp;19mu6k x +ng0ow)8jhlrjo 4 v/ a radius of 7.50 c0gasx)kyek2s, -w g8m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revoluti)2 skgx,k8es-w0 yacg on per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
