2020 F = ma Exam A — Question 15 — Physics Guide

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F = ma (11–17)

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FMA-2020A-15 · 2020A F = ma (AAPT)

2020 F = ma Exam A — Question 15

As shown in the figure, a vessel contains two types of liquid: the liquid with density ρ1 on top and ρ2 on the bottom. The depth of the top liquid is h1 , and the interface area between the top and the bottom liquid is s1 . The bottom liquid has a depth of h2 . The area of the bottom of the vessel is s2 . What is the gauge pressure (i.e. pressure in excess of atmospheric pressure) at the bottom of the vessel? h1 s1 h2 s2 — Source: Question 15, 2020 F = ma Exam A, © 2020 American Association of Physics Teachers (AAPT) and the U.S. Physics Team. Adapted by PhysicsTrainer: reformatted into a separate question and answer choices for online multiple-choice practice; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.

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F = ma problems are © the American Association of Physics Teachers (AAPT) and the U.S. Physics Team, the original source, and are used with permission. Problems shown here are adaptations: they have been reformatted by Physics Guide into separate question and answer-choice pieces for online multiple-choice practice. Physics Guide is an independent student project and is not affiliated with, endorsed by, operated by, or supported by AAPT, F = ma, USAPhO, or the U.S. Physics Team.

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