Answer:
Pressure difference between head and toes = 16872.2 Pa
Explanation:
The pressure difference between the head and toes of the man will be equal to the water pressure exerted at his toes. This can be found as follows:
Water pressure = (density of water) * (gravity) * (height of water)
Density of water = 1000 kg/m^3
Gravity = 9.81 m/s^2
Height of water = height of man = 1.72 m
Water pressure = 1000 * 9.81 * 1.72
Water pressure = 16872.2 Pa