Question

Show the bulk modulus of water is 2.1 x 10 N/m if the speed of sound is 1450 m/s. (p=1.0 x 10

Answer 1

$v=\sqrt{\frac E{\rho}},\implies$

$E=v^2\rho,$

$E=1450^2\cdot 1.0\cdot 10^3=2.1\cdot 10^9~\frac N{m^2}.$