Question

Find the pressure or a depth of 5 m below the surface of a lake.

Answer 1

Answer: 50 kPa.

Explanation: Hydrostatic pressure = dgh

where, d = density, h = height, g = acceleration due to gravity (≈ 10 m/s^2).

So, P = (1000 kg/m^3)(10 m/s^2)(5 m)

→ P = 50000 N/m^2

→ P = 50 kPa.

More: How can you prove that Hydrostatic pressure increases in increasing depth?

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