Because Water Is 13

question 33

Multiple Choice

Because water is 13.6 times less dense than mercury,an atmospheric pressure of 76 cm (30 in.) of mercury would be equivalent to 1034 cm (408 in.) of water.Therefore,a water barometer resting on the ground near sea level would have to be read from a ladder over ____ tall.​

• A)5 m (16 ft)
• B)10 m (33 ft)
• C)​15 m (49 ft)
• D)​20 m (66 ft)
• E)​25 m (82 ft)

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Definitions:

Marginal Cost

A concept in economics that refers to the change in the total cost when an additional unit of a product is produced.

Average Total Cost

The total cost of production (fixed and variable costs) divided by the quantity produced, indicating the cost per unit of output.

Marginal Revenue

The additional income generated from the sale of one more unit of a good or service.

Total Revenue

The total amount of money received by a company from sales of goods or services, before any expenses are subtracted.