[填空题]
A merry-go-round has a mass ofw3wgg2x7 ,yd5task *u 1640 kgq0-b zddkew-hfs8 gynax6( 3( and a radius of 7.50 m. How much net work is required to accelerate it from rest to a rotationgyh- 8( dxw 6 nk-bs0(azd3qef rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J