How far away from a lighthouse on shore can a ship be seen if the observer in the lighthouse is 100 ft above the surface of the

Question

How far away from a lighthouse on shore can a
ship be seen if the observer in the lighthouse is
100 ft above the surface of the Earth? Radius
of the Earth is 20.93 x 10^6 feet
1000 FT
5000 FT
22032 FT
10297 FT

Kunduz · Accepted Answer

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How far away from a lighthouse on shore can a ship be seen if the observer in the lighthouse is 100 ft above the surface of the Earth? Radius of the Earth is 20.93 x 10^6 feet 1000 FT 5000 FT 22032 FT 10297 FT