[填空题]
A merry-go-round has a mass of 1qob:g jwxa /2 g3ve8z5640 kg and agy(10twe./p bd-i(rj fk wrt. radius of 7.50 m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.00 s? Assumerd .ebwif0/ t1ptjr-((wg k.y it is a solid cylinder. J
Post time 2025-2-18 20:00:22
