Question

a submarime is floating at adepth of 1000m in a ocean. the force of window having dimensions 20cm × 20 cm ,of submarine is (density of sea =1.03× 10 cube root kg m -3

Answer 1

$$F=pA=\rho gha^2\\F=(1030)(9.8)(1000)(0.2)^2=404760\ N$$