The figure below shows two small, charged spheres separated by a distance of d = 4.00 cm. The charges are q1 = −13.0 nC and q2 = 29.5 nC. Point B is at the midpoint between the two charges, and point A is at the peak of an equilateral triangle, with each side of length d, as shown. (Assume the zero of electric potential is at infinity.) Two charges and two points lie along the perimeter of an equilateral triangle with side length d (interior angle 60.0°). Negative charge q1 is at the bottom left vertex. Positive charge q2 is at the bottom right vertex. Point A is at the top vertex. Point B is on the bottom edge, midway between q1 and q2. (a) What is the electric potential (in kV) at point A? kV (b) What is the electric potential (in kV) at point B?

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The figure below shows two small, charged spheres separated by a distance of d = 4.00 cm. The charges are q1 =

−13.0

nC and q2 = 29.5 nC. Point B is at the midpoint between the two charges, and point A is at the peak of an equilateral triangle, with each side of length d, as shown. (Assume the zero of electric potential is at infinity.)

Two charges and two points lie along the perimeter of an equilateral triangle with side length d (interior angle 60.0°).

  • Negative charge q1 is at the bottom left vertex.
  • Positive charge q2 is at the bottom right vertex.
  • Point A is at the top vertex.
  • Point B is on the bottom edge, midway between q1 and q2.
(a)
What is the electric potential (in kV) at point A?
kV
(b)
What is the electric potential (in kV) at point B?