[填空题]
A merry-go-round has a mas*r 0 e9agippecfun);q ;fu2f1s of 1640 kg and a radius of 7.50 mf 6 x1x93x6qeym ikve1. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cyli ixm1k e931qfexvx66 ynder. J