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When a simple pendulum is swinging at small angles near the surface of the Earth, it takes 80 seconds to complete 56.37 oscillations. Then, the pendulum is brought to planet X (which is smaller than Earth), and now takes 1.151 seconds for the pendulum to swing from one turning point to the other turning point. Determing the length of the pendulum, the acceleration of gravity on the surface of Planet X, and how many oscillations are completed in 1/2 minute on Planet X.

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