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How does Foucault's pendulum prove that Earth is spinning under it, when the pendulum is actually attached to Earth by pillars or roof? Shouldn't the Pendulum also move with Earth at the
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SOLVED:The free-fall acceleration on Mars is 3.7 \mathrm{m} / \mathrm{s}^{2} (a) What length of pendulum has a period of 1.0 \mathrm{s} on Earth? (b) What length of pendulum would have a 1.0-\mathrm{s}
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