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At each point on the surface of the cube...

At each point on the surface of the cube shown in the figure, the electric field is parllel to the z- axis. The length of each edge of the cube is 3.0 m on the bottom face it is `vecE=34hatk N//C` and on the bottom face it is `vecE=20hatk N//C` . Find the net flux contained within the cube.

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The correct Answer is:
` -486N.m^(2)//C`
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