[填空题]
A merry-go-round has a mass of 1640 kgbrpbg g, c5e*u*/;pob0ef+ml adf+4 j .v,uz+xv xef4 and a radius of 7.50 m. How much net work is required to accelerate it+vvxd jz+xe4f.u,4af 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
