The density of seawater is 1024 kg/m3. The pressure at a depth of 5 m below the surface of the sea is
Depth of the point h = 5 m
Density of sea water ρ = 1024 kg/m3
Acceleration due to gravity = g = 10 m/s2
Pressure = ρgh
= 1024×10×5
Pressure = 51200 N/m2