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Standing at a point on earth, if you watch a plane fly over the horizon, how far away is it at that point? Plane’s altitude is 30,000 feet?
Science & Mathematics by Anonymous 2018-06-01 11:03:40
Social Science
Standing at a point on earth, if you watch a plane fly over the horizon, how far away is it at that point? Plane’s altitude is 30,000 feet?
1 answer
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Anonymous
radius of Earth= 3960 miles 30,000/5280= 5.68 miles √(3965.7² - 3960²)≈ 212.5 miles