[填空题]
A merry-go-round has a mass of 1640 kg andg9/ 4eqd0 )fgszhpta) a ro,*bt80(cyrus xwic5 adius 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? Assume it is a solid cyli*o5 t c0 wr(bx8,yuiscnder. J
Post time 2025-2-18 20:00:22
