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  • What is the value of two similar charges separated by 0.5...
Multiple choice

What is the value of two similar charges separated by 0.5 m in a vacuum, if the force between them is 1.5 N?

  1. 0.29 x 109 C

  2. 6.45 x 10-6 C

  3. 0.148 x 10-9 C

  4. 0.083 x 109 C

  5. 6.81 x 10-9 C

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Q2 = [4πεo] [Fd2] = [1/9 x 109] x [1.5 x (0.5)2] = 4.17 x 10-11 Q = 6.45 x 10-6 C

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