The speed of a car increases uniformly with time from 40 km/h at A to 107 km/h at B during 17 seconds. The radius of curvature of the hump at A is 40 m. If the magnitude of the total acceleration of the mass center of the car is the same at B as at A, compute the radius of curvature pg of the dip in the road at B. The mass center of the car is 0.80 m from the road. 40 m 0.80 m B Рв ما