[填空题]
A merry-go-round has a mass of 1640 kg and a radius o,fc+ifmu h /v 5fcqw0:f 7.50 1-5( b :bcd-a kbfzdt )uanmo6m. How much net work is required to accelebdcob(n56bz-fm -u1akt): darate 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
