# Answer on Mechanics | Relativity Question for Mike

Question #1398

A container is filled with water to a depth of

47.3 cm. On top of the water floats a 46.2 cm

thick layer of oil with a density of 503 kg/m3.

What is the absolute pressure at the surface

of the water? The acceleration of gravity is

9.81 m/s2 .

Answer in units of Pa.

47.3 cm. On top of the water floats a 46.2 cm

thick layer of oil with a density of 503 kg/m3.

What is the absolute pressure at the surface

of the water? The acceleration of gravity is

9.81 m/s2 .

Answer in units of Pa.

Expert's answer

Only the oil layer and the atmosphere press on the water surface:

P =

P =

**ρ**gh +Pa = 503*9.81*0.462 + 101325 = 2279.71 + 101325 = 103604.71.Need a fast expert's response?

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