Suzy the elephant weighs 65,000 N. The cross-sectional area of each foot is 0.10 m2. When she stands on all fours, what is the average stress on her feet? (b) Suzanne the stockbroker weighs 610 N. She wears a pair of high-heeled shoes whose heels each have a cross-sectional area of 1.5×10-4 m2 in contact with the floor. If she stands with all her weight on her heels, what is the stress on the heels of the shoes?