Answer to Question #129977 in Physics for nimra

Question #129977

A simple pendulum completes one vibration in two seconds. Calculate its length,
-2 when g = 10.0 m s .

Expert's answer

"T=2\\pi\\sqrt{\\frac{l}{g}}\\to l=\\frac{gT^2}{4\\pi^2}=\\frac{9.81\\cdot2^2}{4\\cdot3.14^2}\\approx1(m)"

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