Question

Compute the volume change of a solid copper cube, 40mm on each edge, whaen subjected to a pressure of 20Mpa. The bulk modulus of copper is 125Gpa.

Answer 1

B=PdV/V

implies
dV=BV/P

Simply substitute the values
We get dV=
\[\frac{ 125*10^{9}*(40*10^{-3})^{3} }{20*10^{6} }\]