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An observer at a distance of 800 m from ...

An observer at a distance of 800 m from a sound source heard first the sound signal which travelled through water and 1.78 s later - the signal which travelled through air. Find the velocity of sound in water and the compressibility of water. The air temperatuere is `17 ""^(@)C`.

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The correct Answer is:
`1.4 xx 10^(3) m//s; 4.9 xx 10^(-10) Pa^(-1)`.
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