[填空题]
A merry-go-round has a mas:pq +chu0 b.hss of 1640 kik/d6l* 0k ofkg 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 pe 0/k*k6li fdokr 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
