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Harmonic Motion

A simple 2.05 pendulum clock that works perfectly on Earth is taken to the moon, where g= 1.63m/s2. The acceleration of gravity is 9.81 m/s2. The clock is started at 12:00 am and runs for 13 hours. What will be the reading for the hours in units of h, what will the reading be in minutes and what will be the reading be in secs?

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The weight of the pendulum is reduced but the mass stays the same. Thus, the pendulum's restoring force is reduced and it would oscillate more slowly. The period increases on the moon.

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