Potential Energy: The figure shows a group of three particles, all of which have charge Q = 8.8 nC. How much work did it take to assemble this group of charges if they all started out extremely far from each other? (k = 1/4??0 = 9.0 × 109 N ? m2/C2) 

A. 5.5 × 10-5 J
B. 6.2 × 10-5 J
C. 5.7 × 10-5 J
D. 5.9 × 10-5 J


Answer: A

Physics & Space Science

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