[填空题]
A merry-go-round has a massr/y ni+j,judcvwh,9 jt0r f+: ofty6n6u +( /pr1ommax1ko5qxk7d3ic p 1640 kg and a radius of 7.50 m. How much net work is required to accelermck1r da73+t 6(onupmkx p15qix /oy6 ate 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
