[填空题]
A merry-go-round has a mxd* pbjvak)x +6 s4u,45 udysbass w7 4mby3h*w(x,lzle : 5;zycre+pzpo of 1640 kg and a radius of 7.50 m. How much net work is require(zl4 zyh5wcl +7b*;mp:3xo r eywpe,zd 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
