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To calculate the amplitude of a sound wave with a frequency of 125 Hz, we need additional information beyond just the frequency. The amplitude of a sound wave refers to the maximum displacement of air particles from their equilibrium position as the wave passes through the medium.

The amplitude of a sound wave is typically measured in terms of sound pressure, which is the deviation from atmospheric pressure caused by the sound wave. Sound pressure is often quantified using a unit called the Pascal (Pa). However, the specific amplitude of a sound wave cannot be determined solely based on its frequency.

The amplitude of a sound wave is affected by factors such as the energy or power of the sound source, the distance from the source, and the characteristics of the medium through which the sound wave propagates. To determine the amplitude of a sound wave, you would typically need additional information about the specific sound source, its power, or the sound pressure level (SPL) at a given distance from the source.

Without such information, it is not possible to calculate the amplitude of a sound wave with only the frequency of 125 Hz.

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