[填空题]
A merry-go-round has a mass of 16u t5;1ped;hkh 40 kg and a radins;sfqff gq 32z5-j/cus of 7.50 m. How much net work is5cjfzg/ ;fsqs q23n-f 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
Post time 2025-2-18 20:00:22
