The skier starts from rest at A(10 m, 0) anddescends the smooth slope, which may be approx...

The skier starts from rest at A(10 m, 0) anddescends the smooth slope, which may be approximated by a parabola. If she has a mass of 52 kg, determine the normal force the ground exerts on the skier at the instant she arrives at point B. Neglect the size of the skier.