Homework Statement
q1 (-6.5E-7 C) @ 6 cm to the right of origin (X,Y coordinate is 6,0)
q2 (6.5E-7 C) @ 21 cm to the left of origin (X,Y coordinate is -21,0)
At the half-way point of these two charges, what is the E field value...?
Homework Equations
sum of electric fields
electric field at...