[填空题]
A merry-go-round has a mass of 1640 kg and a lt09+yi,gfhg radius ofh+o/ zr5 d,mr6w8yqdi 7.50 m. 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 soly/q dhir56+,do8mz w rid cylinder. J
Post time 2025-2-18 20:00:22
