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Physics, 21.03.2021 21:00 tilievaughn14

If soldiers march across the bridge with a cadence equal to the bridge’s natural frequency and impart 1x104 J of energy each second, how long does it take for the bridge’s oscillations to go from 0.1 m to 0.5 m amplitude?

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If soldiers march across the bridge with a cadence equal to the bridge’s natural frequency and impar...
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