Question

what is the total pressure on a diver at a depth of 20m in sea water with a density of 1.03g/cubic cm under normal atmospheric pressure

Answer 1

The total pressure experienced by the diver at the given depth is 201,880 Pa.

The given parameters:

• Depth of the sea water, h = 20 m
• Density of the water, ρ = 1.03 g/cm³

What is pressure?

• Pressure is the force per unit area experienced by an object. Pressure increase with depth.

The total pressure experienced by the diver at the given depth is calculated as follows;

$P = \rho g h$

where;

ρ is the density of the liquid (kg/m³)

g is acceleration due to gravity

1.03 g/cm³ = 1,030, kg/m³

P = (1030) x (9.8) x (20)

P = 201,880 N/m²

Thus, the total pressure experienced by the diver at the given depth is 201,880 Pa.

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