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Daily Archives: 16-November-2010
Straight, Level, and the Curvature of the Earth
The statement about the curvature of Earth got me thinking. How much does the Earth's surface deviate from a horizontal line over a distance of 100 feet? The contractor's number intuitively seemed wrong because the Earth is round and the deviation from horizontal should be a function of distance. A little math will give me the answer. For consistency's sake, I will perform all computations in US customary units. Continue reading
Posted in Construction
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