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Pendulum Period Calculator

Calculate the period of a simple pendulum: T = 2π√(L/g). For small angles only. g = 9.81 m/s² on Earth.

Inputs
Result
2.0061
Period (s)
0.4985
Frequency (Hz)

T = 2π√(L/g) = 2π√(1/9.81) = 2.0061 s

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