Question 491601
From a 220 feet high lighthouse in the Bahamas island of Nassau, a person sees a ship on the horizon.
 Due to the curvature of earth, how far is the ship from the lighthouse?
•Use the formula: d = sqrt[3h/2], where d is the distance in nautical miles and h is the height in feet.
:
d = {{{sqrt((3*220)/2)}}}
d = {{{sqrt(660/2)}}}
d = {{{sqrt(330)}}}
d = 18.165 nautical miles
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Provide a similar example of when you were close to the beach, or elsewhere.
 Estimate how high above sea level you are and find how far the ship is from you
:
You'll have to do this yourself, if you right at the water's edge and are average height, your eye level is about 5.5 ft, substitute this for h in the formula, to find the distance to an object on the horizon