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Hi! How far will the horizon appear at the heights of 10 and 12 meters? I'm just curious about how much farther can horizon be at 12 meters height than 10 meters height.

Actually, it's a pretty easy problem. Think of it in terms of a right triangle where one side is the radius r of the Earth. 6.38x10^6m, one side is the distance d to the horizon from the top of a tower that's m meters high and the hypotenuse is r+m.

therefore, (r+m)^2 = r^2 + d^2

so if m = 10, d = 8000m and if m=12, d = 8750m

Physics

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