Same pendulum in a cavity at the center of earth

Reference no: EM13674702

A pendulum swings in a lab room by a period of 2 seconds. You place that same pendulum on the top of a vertical pole and it swings by a period of 3 seconds. How high is the pole? Now you place that same pendulum in a cavity at the center of earth, what is its period?

Reference no: EM13674702

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