[填空题]
A merry-go-round has hj6yxhz) rt*98jk9vrhe 87hwa mass y9pv06u xnag iat,t*3of 1640 kg and a radius of 7.50 m. How much net work is required to acngyax0 tit,*pu936va celerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
