Homework Statement
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Homework Equations
See Below
The Attempt at a Solution
Maybe my answer is right but not simplified enough. But if it is I am having trouble seeing the mathematical equivalency. Please help.
Thanks in advance!
Homework Statement
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In this problem I am trying to understand the solution for finding the net force on charge 3 due to charge 1.
However, I am getting stuck already on F31x.
Homework Equations
F=kqq/r^2
The Attempt at a Solution
I found theta by tan-1(0.5/1)=26.565degrees
r= sqrt...