[填空题]
A merry-go-round has a mass oa(j/ ;gh(ruk4,fd 6bbnq uy7 df 1640 kg anj3ptmh 4lh q9u9.ih*m d a 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? Assume it is a solid cylindhi *.hum9q4t9lj 3hp mer. J
Post time 2025-2-18 20:00:22
