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Charges Q1 = 7.2 C and Q2 = −8.5 C are at adjacent corners of a square of side 0.5 m. There is no charge at point A, which is the midpoint along its side. The potential is chosen so that V approaches O very far from the charges. The electric potential energy in this system is ____ ×1011 J.

Charges Q1 = 7.2 C and Q2 = −8.5 C are at adjacent corners of a square of side 0.5 m. There is no charge at point A, which is the midpoint along its side. The potential is chosen so that V approaches O very far from the charges. The electric potential energy in this system is ____ ×1011 J.

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Charges Q 1 = 7.2 C and Q 2 = − 8.5 C are at adjacent corners of a square of side 0.5 m . There is no charge at point A , which is the midpoint along its side. The potential is chosen so that V approaches O very far from the charges. The electric potential energy in this system is ____ × 10 11 J . Q A 2

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