What is the pressure in a tank filled with oil, at a depth of 20 m, the oil density is 800 kg / m3.

Task data: h (considered depth) = 20 m.
Reference values: g (acceleration due to gravity) ≈ 10 m / s2; by the condition ρн (oil density) = 800 kg / m3.
The pressure that oil creates at a depth of 20 m is determined by the formula: P = ρн * g * h.
Let’s perform the calculation: P = 800 * 10 * 20 = 160 * 10 ^ 3 Pa (160 kPa).
Answer: At a depth of 20 m, oil will create a pressure of 160 kPa.



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