[填空题]
A merry-go-round has a mar0smzrqte.mh- cy j;*38) sfv9p*flh so3)0 t:rl lflrs of 1640 kg and a radius of 7.50 m. How much net work is required to accelerate it from rest to a rotat:3) ll 0trofrlion rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
