[填空题]
A merry-go-round has a mass of 1640m*weyho1l 5u0 kg and a r n0ubj c)8)cudx)*dupadius of 7.50 m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume itxc) cbn)8)d0d uujp*u is a solid cylinder. J
Post time 2025-2-18 20:00:22
