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Can you confirm, within measurement errors, that the period is proportional to the square root of...

Can you confirm, within measurement errors, that the period is proportional to the square root of the length ` of pendulum, and that it is independent of the mass m of the bob? Explain what frequency and period mean in your own words. Also, think about conservation of mechanical energy during the oscillation: when is the kinetic energy maximal, when is it minimum? How about the potential energy? Explain how “conservation of mechanical energy” is manifest in oscillation of simple pendulum.

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