5) You and your friend are scuba diving near the Great Barrier Reef. You are at a depth of 120 ft and your friend is at a depth of 75 ft. How much more pressure do you feel in pounds per square inch as compared to your friend? Please do the calculations by 2 different methods.
Show all calculations including proper units.
a) Use the static pressure formula, ρ*g*h. The density of water is 62.4 lbm/ft3.
b) Do the same calculation using 1 psi = 2.31 ft H20