At a tropical coastal aquifer the ground water is stagnant. The density of fresh water is 0.998 g/cm 3 and that of the underlying salt water is 1.024 g/cm 3 . If the fresh-water head is 14.2 ft above...

At a tropical coastal aquifer the ground water is stagnant. The density of fresh water is 0.998 g/cm³
and that of the underlying salt water is 1.024 g/cm³. If the fresh-water head is 14.2 ft above mean sea level, what is the depth to the salt-water interface?