[填空题]
A merry-go-round has a mass of 1640 kg and a rad6(7oix av)hrogi h3 c1,l; ruvo a;q:q95v uqeb0 dyaew :/0poius 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? vuaeo/ aqe :yw;9pbo0 q05:qdAssume it is a solid cylinder. J