Question

What is the pressure on a swimmer 50 m below the surface of a lake​

Answer 1

P = 490500 [Pa]

Step-by-step explanation:

The pressure at the bottom of a vessel and even of a lake or sea can be calculated by means of the following hydrostatic equation.

`P=Ro*g*h`

where:

P = pressure [Pa] (units of pascal)

Ro = water density = 1000 [kg/m³]

g = gravity acceleration = 9.81 [m/s²]

h = elevation = 50 [m]

Now replacing:

`P=1000*9.81*50\\P=490500[Pa]`