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MIT 8.01 Physics I Classical Mechanics, Fall 1999
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OpenStudy (anonymous):
how to find the distance between an observer on earth and the horizon. the answer was 5 km. but how to get it
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OpenStudy (anonymous):
1. model the earth as a sphere. 2. Find the radius of the earth (about 6,37 x 10^6 meters) 3. use trigonometry to find the straight line tangent to the sphere that that meets the eye of the observer. |dw:1358083451043:dw|
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