Due to the Curvature of the Earth, the Maximum Distance $D = \sqrt { 2 r h + h ^ { 2 } }$

question 30

Multiple Choice

Due to the curvature of the earth, the maximum distance D that you can see from the top of a tall building of height h is estimated by the formula $D = \sqrt { 2 r h + h ^ { 2 } }$ where r = 3960 mi is the radius of the earth and D and h are also measured in miles. How far can you see from the observation deck of a tower, 1000 ft above the ground? Round the answer to one decimal place

• A)37.9 mi
• B)428.1 mi
• C)1428.4 mi
• D)73.9 mi
• E)none of these

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Definitions:

Output Effect

The impact on the overall production or output of a firm or economy resulting from a change in demand or other economic variables.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods or services, leading consumers to replace more expensive items with cheaper alternatives.

Profit-Maximizing Firm

A company that operates with the primary goal of maximizing its profits by adjusting output and pricing.

Marginal Revenue Product

The increased earnings resulting from the utilization of one more unit of either labor or capital.