[填空题]
A merry-go-round hasklmdu5-3r7wws ifn ;ctzy 3; : /b d99 m 28cxt,h5blyd1ksdpl a mass of 1640 kg and a radius of 7.50 m. How much net work is required p cthbd9s8m,5d /2lxdl 9y1bk 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
