Aquaman is helping clean up an oil spill. He fills a tank with the pollutants; the result is a tank filled to a depth of 56.7 cm with seawater on top of which floats a 29.6 cm thick layer of crude oil. Assuming that the density of the seawater is 1.020 g/cm and the density of the crude oil is 0.925 g/cm, what will be the gauge pressure (in kPa) at the bottom of the tank?

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Aquaman is helping clean up an oil spill.
He fills a tank with the pollutants; the result is a tank filled to a depth of 56.7 cm with seawater on top of
which floats a 29.6 cm thick layer of crude oil.
Assuming that the density of the seawater is 1.020 g/cm and the density of the crude oil is 0.925 g/cm,
what will be the gauge pressure (in kPa) at the bottom of the tank?
Hint: the pressure at the bottom of the uppermost layer will be the pressure at the top of the bottommost layer.
Transcribed Image Text:Aquaman is helping clean up an oil spill. He fills a tank with the pollutants; the result is a tank filled to a depth of 56.7 cm with seawater on top of which floats a 29.6 cm thick layer of crude oil. Assuming that the density of the seawater is 1.020 g/cm and the density of the crude oil is 0.925 g/cm, what will be the gauge pressure (in kPa) at the bottom of the tank? Hint: the pressure at the bottom of the uppermost layer will be the pressure at the top of the bottommost layer.
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