[填空题]
A device for training astronauts and jet fighter pt,.,x 9u6)r)lebvfe -wif h twi- f rwf81y-coq9s 1sjilots is designed to rotate a trainee in a horizontal rsfio189- qj-fcs1wy circle of radius 12.0 m . If the force felt by the trainee on her back is 7.85 times her own weight, how fast is she rotating? rev/s m/s
Express your answer in both $ \mathrm{m} / \mathrm{s}$ and $\mathrm{rev} / \mathrm{s}$ .
