The length ( l ) in inches of a simple pendulum which oscillates with the period ( τ n ) of 2 sec and an amplitude ( θ m ) of 90 ° .

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Chapter 19.1, Problem 19.36P

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The length (l) in inches of a simple pendulum which oscillates with the period (τn) of 2 sec and an amplitude (θm) of 90°.

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