[填空题]
A merry-go-round has a masse,5gw. kukpr i4yr:g3 of 1640 kg and a radius of 7.50 bco.v6hey3 g).rf: py m. How much net work is required to accelerate it from rest to a rot y6pyhc :3br. ov)gef.ation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
