[填空题]
A merry-go-round has a mass of 1640 kg and a radius of 7nxzes6h3xv)bmtc z -p :- ggl)m+mm, 7.50 m. How munc dn(s( l6tcqm+em4 2ch net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assume it is a s(nmm(n2c e46ctsq +l dolid cylinder. J
Post time 2025-2-18 20:00:22
