R cotwell answered 1 year ago

The speed of longitudinal waves in a solid is given by ,
v=$\sqrt{Y/\rho }$
where ,Y is the Young’s Modulus of steel bar and $\rho$ is the density of steel bar.
so,
v=$\sqrt{2.0*10^{11}Pa/7900}$
v= $\sqrt{0.0002531646*10^{11}}$
/Y/
2.0 * 1011 Pa/7900
0.0002531646 * 1011