[填空题]
A merry-go-round has aznd)6 bwl s0i: mass of 1640 kg and a radius of 7.50 m. How muke2cdke xry (2*air5gu 3teh *wb1;s1 ch net work is required to accelerate it from rest to a rotation rate of 1.00 rev gy1*d 3r 52(ascx; ru*eitee2kkh w1bolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
