Physics

"The exact relationship for the period T of a simple pendulum is T=2*pi*sqrt_of(l/g) where l is the length of the pendulum, and g is the acceleration of gravity."

I have to rearrange the formula to where you solve for l instead of t. I started to try to do it, but I don't think I started off correctly. Does anybody know how to do this? Thanks!

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asked by Emily
  1. T = 2 pi sqrt (L/g)
    T^2 = 4 pi^2 L/g
    g T^2 = 4 pi^2 L

    L = g T^2 / (4 pi^2)

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    posted by Damon
  2. Oh, okay! See, I got the second step right, I just thought it was way off track. Thanks!

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    posted by Emily

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