In a Thundercloud There May Be an Electric Charge of +40

question 74

Multiple Choice

In a thundercloud there may be an electric charge of +40 C near the top of the cloud and -40 C near the bottom of the cloud. These charges are separated by about 2.0 km. What is the electric force between these two sets of charges? (k_e = 8.99 * 10⁹ N·m²/C²)

• A) 3.6 * 10⁶ N
• B) 3.6 * 10⁴ N
• C) 3.6 * 10⁷ N
• D) 3.6 * 10⁵ N

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