Problem A$3\mathrm{.}1$

A specimen is stretched in the axial direction with

the strain ${}_x=0\mathrm{.}02.$ The Poisson's ratio is

$v=0\mathrm{.}3,$ find relative change in volume, i$.$e$.,\frac{V-V_i}{V_i},$

where V is the volume of the specimen under strain

${}_x$ and $V_i$ is the original volume $($without loading$).$is the original volume $($without loading$).$