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## Homework Statement

A cubical region 1.0 m on a side is located between x=0 and x=1 m. The region contains an electric field whose magnitude varies with x but is independent of y and z: E=E0(x/x0), where E0 = 32 kV/m and x0 = 6.0 m . The answer needs to be in μ J.

Find the total energy in this region.

## Homework Equations

E=E0(x/x0)

∫u * dV

## The Attempt at a Solution

So I took the integral and got 1/2ε

_{0}(E

_{0})(x/x

_{0})^2. When I plug in the numbers I get 3.933 μJ which is wrong? Am I missing a step?