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Inessa [10]
3 years ago
7

A tall cylinder contains 25 cm of water. Oil is carefully poured into the cylinder, where it floats on top of the water, until t

he total liquid depth is 40 cm. What is the gauge pressure at the bottom of the cylinder
Physics
1 answer:
Fed [463]3 years ago
4 0

Answer: 377.3\ kPa

Explanation:

Given

Water column height h=25\ cm

After oil is poured, the total height becomes h'=40\ cm

Pressure at the bottom will be the sum due to the water and oil column

Suppose the density of the oil is \rho=900\ kg/m^3

Pressure at the bottom

\Rightarrow P=10^3\times g\times 25+900\times g\times 15\\\Rightarrow P=100g[250+135]\\\Rightarrow P=3773\times 100\ Pa\\\Rightarrow P=377.3\ kPa

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