I keep getting the wrong answer and I have no idea what I\'m doing wrong :( Two

Question

I keep getting the wrong answer and I have no idea what I'm doing wrong :(

Two charges are located in the (x, y) plane as shown in the figure below. The fields produced by these charges are observed at a point p with coordinates (0, 0). Use Coulomb's law to find the x-component of the electric field at p. Answer in units of N / C Let: V = 0 at infinity. Find the electric potential at p with coordinates (0, 0). Answer in units of V Find the y-component of the electric field at p by taking the appropriate partial derivative of the potential function from part 2. Answer in units of N / C Let: Point s be at position (0, 1). Find Vs - Vp by integrating -E rightarrow middot ds rightarrow over a straight line path between the two po Answer in units of V

Explanation / Answer

part 2 :

V = k (q1/r1 + q2/r2) = 8.99e9* (-9.1/(3.44819) - 8.1/(2.96816)) = -4.826e10 -4.83e10 V

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