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write all formula's in chapter sound ... and defines...???

i want all formulas from sound
 
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Velocity = Wavelenght × Frequency Velocity = Frequency × Wavelengh Velocity = (1/Time) × Wavelengh For Echo: 2 × Distance / Time = Speed of sound
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can u plz help me with all the formulas of chap-sound
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No
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No,,never
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Speed of sound
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speed of sound
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Velocity=wavelength×frequency For eco 2×Distanceime=speed of sound
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formulas of sound chapter
 
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