[填空题]
A merry-go-round has :xu7ijg:vfd - a mass hh5v3z2b +oicz7*5p pzu4y 5pl6rtm sof 1640 kg and a radius of 7.50 m. How much net work is required 724+ trv*uzs63ppo im55 h yl5zhbczpto accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J