2 Fluid Physics problems

a. Calculate the absolute pressure at an ocean depth of 1400m. Assume that the density of sea water is 1025 kg/m3 and that the air above exerts apressure of 101.3 kPa.

Answer in Pa.

b.At this depth what force must the frame around a circular submarine porthole having a diameter of 29 cm. exert to counterbalance the force exerted by the water?

Answer in Newtons.


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