The Left-Hand Side of an Open U-Tube Has a Radius

question 45

Multiple Choice

The left-hand side of an open U-tube has a radius r₁ = 0.82 cm, and the right-hand side has a radius r₂ = 0.41 cm. Mercury and oil are poured into the U-tube. The density of mercury is 13.6 g/cm³. The heights shown in the diagram are h₁ = 3.50 cm and h₂ = 57.3 cm. The density of the oil is approximately

• A) 0.83 g/cm³
• B) 110 g/cm³
• C) 7.9 g/cm³
• D) 6.9 g/cm³
• E) 1.82 g/cm³

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Definitions:

Systematics

The scientific study of the diversity of organisms and their evolutionary relationships.

Diversity

The condition of having or being composed of differing elements: variety; especially: the inclusion of different types of people (such as people of different races or cultures) in a group or organization.

Evolutionary Relationships

The connections among species or groups of organisms that show how they are related through evolution, often depicted in a phylogenetic tree.

Organisms

Living entities that can function independently, ranging from microscopic bacteria to complex animals and plants.