Posted by Jama on Monday, March 21, 2011 at 10:59pm.
Therefore, to determine how far in miles we can see from a building of height h ft., we use d = sqrt[1.5h].
To determine the height of a building we can see from a distance d off shore, we use h = sqrt(r^2 + d^2) - r, r and d in feet.
A sampling of some values:
h in feet....6......10.......25.......100......1000......5000....10,000......29,000.......528,000(100miles)
d in miles.2.45.3.87....6.12....12.25....38.75......86.6.....122.5........208.5............890
d in miles.1........5.......10........25.........50.........75........100..........200.............1000
h in feet..2/3...16.66....66.66..416.66..1666.66...3750....6666.66..26,666.66......666,666(126.25miles)
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