On an unknown planet, a pendulum of length 1.5 m swings with a period of 3.3 s. What is the acceleration of gravity on this planet?

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  1. T = 2 pi sqrt (L/g)

    3.3 = 2 pi sqrt (1.5/g)

    sqrt(1.5/g)= .5252

    1.5/g = .276

    g = 5.44 m/s^2 around half earth g

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    posted by Damon

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