[填空题]
A merry-go-round has a mass of 1640 kayal0zfs r( j lz..av6xs+ -w)g and a radius of 7.50 m.o1 ra-2/ z 0fe ;rf.jy,dvvttx How much net work rtv20oav/x tf-f;, d1yr.z ej is required to accelerate 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
