[填空题]
A merry-go-round has a mass of 1640 kg and a radius of 7.50 m. How -7 yhr-e.ham9wl0:nqjck6gq much net workmeyk 69qw-n hal7 :cr .qjh-0grj ,ipy )k0q2p is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assum,pi 2ykj)r0pqe it is a solid cylinder. J
Post time 2025-2-18 20:00:22
