SAT Subject Physics Practice Question 430: Answer and Explanation

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Question: 430

6. A pair of point charges, which have charges of -3 micro coulombs and -4 micro coulombs, is separated by 2 cm. What is the value of the force between them?

A. 600N
B. 300N
C. 540N
D. 270N
E. 400N

Correct Answer: D


The correct answer is (D). Coulombs Law is

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