The general formula of the speed of longitudinal wave in a solid bar s....

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The general formula of the speed of longitudinal wave in a solid bar s
\( \mathrm{P} \)
(1) \( \sqrt{\frac{B}{\rho}} \)
(2) \( \sqrt{\frac{\rho}{Y}} \)
(3) \( \sqrt{\frac{Y}{\rho}} \)
(4) \( \sqrt{\frac{Y^{2}}{\rho}} \)


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