Thread: Silliness Quiz
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Old 10-03-2012, 05:37 PM   #9421
Bilbo1967
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Quote:
Originally Posted by pdurrant View Post
Call the Earth's radius r feet. The string length around the world is τr feet. (Where τ is 2π.)

Add 10 feet. New string length is τr+10. Radius of new circle with circumference τr+10 is (τr+10)/τ = r+10/τ.

So it will be 10/τ feet above the surface. That's about 1.6 feet.
See, I knew pi was in there somewhere
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