Two Identical Spheres Each Carry a Charge of −47

question 55

Multiple Choice

Two identical spheres each carry a charge of −47.1 µC.The spheres are separated by a distance of 1.74 m.What is the electric force between the spheres? (k_e = 8.99 × 10⁹ N·m²/C²)
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• A) 0.1 N (repulsive)
• B) 6.6 N (repulsive)
• C) 11.5 N (attractive)
• D) 0.7 N (attractive)
• E) ​13.2 N (attractive)

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