[填空题]
A merry-go-round has a mass of 1640 kg and maz7cbv/ x 2qfkbc +*gxv 3;d2a radius of 7.50 m. How much netn7gecs :en6dwr ehg 1q2 x00i kv.bu8; work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 7 n6u1 kenq v: 8cegx0g bdw;h20s.ire8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
