Who was the first person to build a pendulum that was a reliable timekeeper?

Who was the first person to build a pendulum that was a reliable timekeeper?
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Description : What type of motion does a pendulum exhibit?

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Why does a pendulum lose time in summer and gain time in winter?

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What happen to the time period if its lenght of the pendulum is changed?

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What is the scientific principles of a pendulum?

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What will be the time period of a simple pendulum at the centre of Earth?

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Pendulum exercise?

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The time taken by a pendulum to complete one oscillation is called its?

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The period of pendulum depend upon _

Description : The period of pendulum depend upon _

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