A car of mass crosses the highest point of a circular hump of radius at a speed of

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal 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}