Dominic S. answered 09/15/15
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Divide both sides by 2π
T/2π = (L/g)^1/2
Square both sides
(T/2π)2 = L/g
You can then get L by moving the g
L = g*(T/2π)2
And get g by dividing by (T/2π)2
g = L/(T/2π)2 = 4Lπ2/T2
Mark M.
09/15/15