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

question 31

Short Answer

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, 955 ft above the ground? Round the answer to one decimal place.

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Definitions:

Working Capital

The gap between a firm's present assets and liabilities, showing its operational efficiency and ability to cover short-term obligations.

Operating Cash Inflow

Cash generated from a company's normal business operations.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life in equal annual amounts, making it the simplest depreciation method.

After-Tax Discount

The reduction in price or value of an item after taxes have been factored into its cost.