Two point charges of +2.00 μC and +4.00 μC are at the origin and at the point x = 0.000 m,y = -0.300 m,as shown in the figure.What is the electric potential due to these charges,relative to infinity,at the point P at x = 0.400 m on the x-axis? (k = 1/4πε0 = 8.99 × 109 N ∙ m2/C2) 
A) 117 kV
B) 15.7 kV
C) 11.7 kV
D) 56.0 kV
E) 36.0 kV
Correct Answer:
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