[填空题]
A merry-go-round has a mass of 1640 yha gqcc-e4 , f,e3g;ykg and a ro ,5j+ziuaklpx48 7ce adius of 7.50 m. How much net work is required to accelerate it from rest to a rotj7iu klc+pxa , 54zo8eation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
