[填空题]
A merry-go-round has a macfnx:5 era* v+ss odcot48b ab07 of 1640 kg and a radius of 7.50 m. How much net work is required to accelerate it from rest to c7tboba od4 80a 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
