[填空题]
A merry-go-round has a mass ofc2i.g-fj1yw b 1g2 ad9fpz c;; wp(xru78tthg8rlk- .v 640 kg and a radius of 7.50 m. How much net work is required to accelerate it from rest to a rotation ratz 9dfp8 2h7pa vrkr(c;.lxtu;-w g8tge of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
