Calculate the speed of longitudinal sound wave in a liquid. The bulk modulus for the liquid is `20xx10^(9)N//m^(2)` and its density is `9.5xx10^(3)kg//m^(3)`.

Explanation

To calculate the speed of a longitudinal sound wave in a liquid, we can use the formula:

\[ V = \sqrt{\frac{B}{\rho}} \]

where:
- \( V \) is the speed of sound in the liquid,
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