[填空题]
A merry-go-round has a mass7/pjx/vd v3)o t- r:jyr-e(1ujmhzea of 1640 kg and a radiul 2 labbz9;nj3s of 7.50 m. How much net work is rj3abln92bl; z equired 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
