[填空题]
A merry-go-round has a mass of 1640 kg and(i 5csc+ ;ywrs7jhc*dfv v:o :0chrt7 a radius of 7.50 m.2op2 ze2w. uwu How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinderuw22z uop w.2e. J
Post time 2025-2-18 20:00:22
