An open rectangular tank 2 m in width and 4 m in length contains 16 m 3 of

An open rectangular tank 2 m in width and 4 m in length contains 16 m³ of gasoline and 28 m³ of water at 20°C. The fluid is arranged in two stable layers. Determine the total hydrostatic stress on:

(a) The bottom of the tank

(b) One of the two smaller vertical sides of the tank

(c) One of the two larger vertical sides of the tank