[填空题]
A merry-go-round has*qb mt lst)j71r*r 7)i1 t w,g4ff+go)itzuo1i3thc hb cka,4 a mass of 1640 kg and a radius of 7.50 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 a solid cy *rchwa ,)ffu1ohz3c4 i)b1,+g 74itritt o kglinder. J
Post time 2025-2-18 20:00:22
