[填空题]
A merry-go-round has a masgw f:gpdv(q6h8 1k(ius of 1640 kg and a rry0l yb,4i ub k/4a:lyadius of 7.50 m. How much net work is r4r:b kl0lbu,y4ia /yy equired 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
