[填空题]
A merry-go-round has a mass of 1640 kg anqd t93vv) 14yjohjg6h2pt 4xnd a radius5q3fm szrnxfa2j2o:85qztn* of 7.50 m. How much net work is required to accelerate it from rest to a rotation ra82qj5 z53srx :oqa ff z2n*mntte of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
