[填空题]
A merry-go-round has a mass of 1640 kg and a radjs9rx(fzl 8a 5ius of 7.50 m. How much pbe+l/mda9o +/3n34csznwn;kf5 i aj net work is reqfl5+b 9jp ao;s/na 4nwin/+ zec 3m3kduired to accelerate it 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
