There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm.
Find the elctric force on the proton for Fx and Fy.
For my total force I got 7.53*10^-11N
For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N.
Where did I go wrong?