[填空题]
A merry-go-round has 27xt 6yv8 v:lv 8hpqtbt *a6d+mh c m8j)(y0msz/silga mass of 1640 kg and a radius of 7.50 m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a solid cyl* t g8mcdjyiamhs6s m(/0zl +)inder. J
Post time 2025-2-18 20:00:22
