[填空题]
A merry-go-round has a mawdmtm 1)et;eaouwk4-e :- t1 kss of 1640 kg and a radius of 74- qcbm/whor1 e(a+- b me-v1hewbnf8.50 m. How much net work is required to accelerate it from rest to a rotation m8ehfmabb hn(w ceov we1q 4b+---r1/ rate of 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
