Copy your program and paste it herer.

Now extend it by adding a second observation location at location $($:$3{10}^{-4},-7{10}^{-4},0$:$)m.$ Use the SAME scal Note that this location is the same distance from the source charge, so the magnitude of vec$(E)$ should not change.

main.py

oofpez $=9$ e$9$ # OneOverFourPiEpsilonZero

source $,$ color$=$color, red, radius $=2e-5$

source. $q=23e-9$

obs $=$ sphere pos $=$vec$(,2e-4,0),$ radius $=2e-5,$ color $=$ color orange, visible $=$False,$E=$ vector $(0,0,0)$

attach$\_$arrow$($obs$,"$E$",$ scale$=0\mathrm{.}3$e$-12)$

#calculate E

$r=$ obs.pos $-$ source.pos

obs. $E=($oofpez $*$ source. $\frac{q}{m}ag(r{)}^{****2**}$ hat $(r))$

print $(\text{'}$E$\text{'},$ obs.E$,$ "mag$($E$)",$ mag$(obs.E))$