A submarine is stranded on the bottom of the ocean with its hatch 25 m below the surface. In this problem, assume the density of sea water is 1.03 × 10^{3} kg/m^{3}.
Calculate the force, in newtons, needed to open the hatch from the inside, given it is circular and 0.35 m in diameter. The air pressure inside the submarine is 1.00 atm.  

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