[填空题]
A merry-go-round has(p1yr)(qsu7c1nutk (h 9ng a w7gxd b1; ktl:c ,fe9sf a mass of 1640 kg and a radius of 7.50 m. How much net work is required to ac7 f 9fxks bde1,t:glc;celerate 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
