Three point charges are on the x-axis: q1 at the origin, q2 at 3m, and q3 at 7 m.
A) Find the potential at the point (0, 4 m) if q1 = q2 = q3 = 2µC. The Coulomb constant is 8.99 × 109 N · m2 /C 2 Answer in unitsof kV.
B) Find the potential at the point (0, 4 m) if q1 = q2 = 2 µCand q3 = −2 µC . Answer in units of kV.
C) Find the potential at the point (0, 4 m) if q1 = q3 = 2 µCand q2 = −2 µC . Answer in units of kV.
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