A positive charge
q
is fixed at point
(3,4)
and a negative charge
-q
is fixed at point
(3,0)
. Determine the net electric force
vec(F)_(nct )
acting on a positive test charge
+Q
at the origin
(0,0)
in terms of the given quantities and the permittivity of free space
\epsi lon_(0)
. Enter your expression using
j
unit vector notation and rational coefficients.