7 a On a curvy road a motorist applies breaks and the speed

Last updated: 6/21/2023

7 a On a curvy road a motorist applies breaks and the speed of the vehicle reduced uniformly from 60 km h at point A to 40 km h at point B the points A and B are 120 m apart If the vehicle has a resultant acceleration of 2 5 m s at point A calculate the radius of the curvature of the road at this point Calculate also the acceleration of the vehicle at point B where the road has a radius of curvature equal to 90 m