# Wave speed

1. Feb 2, 2008

proof of
velocity =$$\sqrt{\frac{B+\frac{4*n}{3}}{density}}$$

B bulk modulus
n modulus of rigidity

Last edited: Feb 2, 2008
2. Feb 2, 2008

### Mapes

Are you announcing one or asking for one? Try expressing the bulk modulus and modulus of rigidity in terms of Young's modulus and Poisson's ratio, and assume the Poisson's ratio is zero.

Last edited: Feb 2, 2008