[填空题]
A merry-go-round has a mass of 1e z8c /mbd0/ vw6mk21c.d bisi640 kg and a radius of 7.50 j(c+qkln8mo -m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assum+k( jc-8 nmqloe it is a solid cylinder. J
Post time 2025-2-18 20:00:22
