[填空题]
A merry-go-round has a mass of 1640 kg and a radiu 0k1p n6 eld3tdl;*iwts of 7.50 m. How much net wopz0d+f0l(m xwwa* 9 ttrk is required to m9w pft +0txz(d0aw*laccelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J