[填空题]
A merry-go-round has a mass of 1640 kg and a radius of 7.50 m. How2cte:h)v8g cp/h w x8v93tm ao much net wo,/z53fu hpw ,1a o vfq(b+hkarrk iazru(w3v/h5+b, qapko, 1fhf s required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J