Question

The formula to determine the period of one swing of a simple pendulum is T

Answer 1

`\begin{gathered} T=2\pi\sqrt[]{(L)/(g)} \\ \text{square both sides} \\ T^2=4\pi^2(L)/(g) \\ \text{cross multiply} \\ T^2g=4\pi^2L \\ \text{divide both sides by T}^2 \\ g=(4\pi^2L)/(T^2) \end{gathered}`