[填空题]
A merry-go-round has a mass ofu +e8p x4d ob4nl kfqz9a-,eq, 1640 kg and a radius of 7.50 m. How much4h 7vc2 /+k/cli)ieq: nhud rr net work inqr2dr h vcuc7 +/lkieh/):4 is 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
