[填空题]
A merry-go-round has a mass oc ;hhu8f3u1q5 *xxogvf 1640 kg and a radius of 7.50 m. How much nz*fmjw, kq7 2o8,k rmliq7/a jet work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 sjkf,akw /,7ql8r7 mq zmi2o*j ? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
