(a) In a liquid with density \( 1300 \mathrm{~kg} / \mathrm{m}^{3} \), longitudinal waves with f...

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(a) In a liquid with density \( 1300 \mathrm{~kg} / \mathrm{m}^{3} \), longitudinal waves with frequency \( 400 \mathrm{~Hz} \) are found to have wavelength \( 8.00 \mathrm{~m} \). Calculate the bulk modulus of the liquid.
\( \mathrm{P} \)
(b) A metal bar with a length of \( 1.50 \mathrm{~m} \) has density \( 6400 \mathrm{~kg} / \mathrm{m}^{3} \). Longitudinal sound waves take \( 3.90 \times 10^{-4} \mathrm{~s} \) to travel from one end of the bar to the other. What is Youngs modulus for
W this metal?
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