The extension in a string, obeying Hooke's law is \( x \). The spee...

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The extension in a string, obeying Hooke's law is \( x \). The speed of wave in the stretched string is \( v \). If
\( \mathrm{P} \) the extension in the string is increased to \( 1.5 \mathrm{x} \) find the new speed of wave.

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