In the Figure, an Open Tank Contains a Layer of Oil

question 9

Short Answer

In the figure, an open tank contains a layer of oil floating on top of a layer of water (of density 1000 kg/m³) that is 3.0 m thick, as shown. What must be the thickness of the oil layer if the gauge pressure at the bottom of the tank is to be 5.0 × 10⁴ Pa? The density of the oil is 510 kg/m³.

---

Definitions:

Scoring Rubric

A set of criteria and standards typically used for assessing and grading assignments or performances.

Evaluative Descriptions

Analysis or narratives aimed at judging the value or significance of subject matter based on criteria.

Skeptical

Characterized by a questioning attitude or doubt towards one or more items of putative knowledge or belief.