Parallelepiped with two electric fields. Find the charge inside.

1. Oct 7, 2013

bergen89

1. The problem statement, all variables and given/known data
The electric field E1 is constant over the whole of one surface of
parallelepiped and directed out of the surface. On the opposite surface is
field E2 constant over the surface and is directed into the surface. the two
surfaces forming an angle of 30 ° with the horizontal, while both E1 Vector
and E2 vector is horizontal.

Calculate the charge q.

E1: 2,50 x 10^4 Newton Columb
E2: 7.00 x 10^4 Newton Columb

2. Relevant equations

E1: 2,50 x 10^4 Newton Columb
E2: 7.00 x 10^4 Newton Columb

3. The attempt at a solution

I have added a PDF file With my attempt at a solution. I used Gaus Law to now becouse thats the only thing I can get out of the task. I be super happy if someone could explain how to do this task in a way I hopefully will understand :)
1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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