[填空题]
A merry-go-round has a mass of 1640 kg and a radfsh(rca2( ahm 3s++ pdius of 7.50 m. How much netxalwm4u (c)aib5. a ,p work is required to accelerate it from rest to a rotation rate of 1.00 revoliax4 b5).a(,a cpl uwmution per 8.00 s? Assume it is a solid cylinder. J