[填空题]
A merry-go-round has a mass of 1640 kg and a radius of 7.50 m. Ho1lgk+ *2rzub,rr0loku 4m v 2w(9zovjx4w 2e:v *vlygu+9yhep iv m9 4w much net work is required to accelerate it from rest to a rotation rate o+4euvp(ylyeh *9jwiv v4x9og m:vz92 f 1.00 revolution per 8.00 s? Assume it is a solid cylinder. J
Post time 2025-2-18 20:00:22
