physics

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free fall on the moon is 1.62m/s2 What is the lenght of the pendulum whos period on the moon mtches the period of 1.80m long on Earth?

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Period=2PI sqrt (l/g) where g is as given.

squkare both sides. For g=9.8, solve for Period T.
then put that T in the moon example, with g=1.62, and solve for l.

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