Consider the system in the following figure. If the pressure at point A is 2900 lb/ft2.

Determine the pressures at points B, C, and D!

Given (r water g/gc) = 62.4 lbf/ft3 and (r air g/gc) = 0.075 lbf /ft3.

C air air 3 ft 4 ft B A air 5 ft 6 ft water 2 ft D