Physics

Problem

A car of mass

800\,\text{kg}

crosses the highest point of a circular hump of radius

45\,\text{m}

at a speed of

12\,\text{m}\,\text{s}^{-1}

. Determine the normal reaction exerted by the road on the car at that instant. Take

g = 9.8\,\text{m}\,\text{s}^{-2}