In a Thundercloud There May Be an Electric Charge of +50

question 78

Multiple Choice

In a thundercloud there may be an electric charge of +50 C near the top of the cloud and −50 C near the bottom of the cloud.These charges are separated by about 4 km.What is the electric force between these two sets of charges? (k_e = 8.99 × 10⁹ N·m²/C²)
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• A) 1.4 × 10⁴ N
• B) 1.4 × 10⁵ N
• C) 1.4 × 10⁶ N
• D) 1.4 × 10⁷ N
• E) ​1.4 × 10⁸ N

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