The Two Water Reservoirs Shown in the Figure Are Open

question 21

Multiple Choice

The two water reservoirs shown in the figure are open to the atmosphere, and the water has density 1000 kg/m³. The manometer contains incompressible oil with a density of 820 kg/m³. What is the difference in elevation h if the manometer reading m is 25.0 cm?

• A) 0.045 m
• B) 0.025 m
• C) 0.065 m
• D) 0.115 m
• E) 0.205 m

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Definitions:

Weak Axiom of Cost Minimization (WACM)

An economic principle stating that if a set of goods is chosen over another set at the same prices, then the chosen set should not cost more than the other when prices change.

Input Bundle

A combination of resources or inputs used in the production of goods and services.

Unit Costs

The cost incurred by a company to produce, store, and sell one unit of a particular product or service.

Price Ratio

The relative price of one good or service compared to another, often used in economic analysis.