Electric field for a point charge:

$\overline{){\mathbf{E}}{\mathbf{=}}\frac{\mathbf{k}\mathbf{q}}{{\mathbf{r}}^{\mathbf{2}}}\hat{\mathbf{r}}}$

**1)**

For multiple charges:

E_{net x} = E_{1x} + E_{2x} = E_{1}cosθ_{1} + E_{2}cosθ_{2}

Two point charges (q_{1} = -4.7 µC and q_{2} = 8.4 µC) are fixed along the x-axis, separated by a distance d = 8.1 cm. Point P is located at (x,y) = (d,d).

1) What is E_{x}(P), the value of the x-component of the electric field produced by q_{1} and q_{2} at point P?

2) What is E_{y}(P), the value of the y-component of the electric field produced by q_{1} and q_{2} at point P?

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