[填空题]
A merry-go-round has a mass of ,,z4k2qn05r bt rlqjj 1640 kg and a radius of 7o3 vkb mk2x;f+.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? Assume it is abm2 x3fvk+;k o solid cylinder. J
Post time 2025-2-18 20:00:22
