The x–y plane contains a uniform sheet of charge

The x–y plane contains a uniform sheet of charge

The x–y plane contains a uniform sheet of charge with s1 = 0.2 (nC/m2 _ and a second sheet with s2 = – 0.2 (nC/m2) occupies the plane z = 6 m. Find VAB, VBC, and VAC for A (0, 0, 6m), B (0, 0, 0) and C (0, 2m, 2m)