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An eardrum can mimic the movement of a spring-block system as it vibrates. The amplitude of an eardrum movement is likely to be about 6.9

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An eardrum can mimic the movement of a spring-block system as it vibrates. The amplitude of an eardrum movement is likely to be about 6.9 x 107 m with a frequency of 520 Hz. If the mass of the eardrum is 14 mg, what is the total energy of the eardrum in this situation? Assume that the eardrum only vibrates in the horizontal direction. Give your answer to 2 significant figures

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