Question

An exploration submarine should be able to go 4000 m down in the ocean. If the ocean density is 1020 kg/m³ what is the maximum pressure on the submarine hull? 

Answer 1

∆P = ρLg = (1020 kg/m³ × 4000 m × 9.807 m/s²) / 1000 

= 40012 kPa ≈ 40 MPa