A 1000.0 KG car racing on a flat track travels at 22.0 0M/S around a curve with a 55.6 0M radius find the force needed to keep the car traveling in a circle

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.