(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A negative point charge q1 = -4.00 nC is on the x axis at x = 0.60 m. A second point charge q2 is on the x axis at x=-1.20 m.

What must the sign and magnitude of q2 be for the net electric field at the origin to be 50.0 N/C in the +x direction be?

What must the sign and magnitude of q2 be for the net electric field at the origin to be 50.0 N/C in the -x direction be?

2. Relevant equations

Coulomb's Law

E = q1 + q2

3. The attempt at a solution

Ok, i got the part when it is in the + x direction but how would i do it for the - x direction? I was doing 50 = 100-q2, but i don't think it will work?? Any help would be appreciated. Thanks in advance.

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# Homework Help: X direction and -X direction

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