Multiple Choice
How much energy is necessary to place three +2.0-µC point charges at the vertices of an equilateral triangle of side 2.0 cm if they started out extremely far away? (k = 1/4πε0 = 9.0 × 109 N ∙ m2/C2)
A) 4.5 J
B) 5.4 J
C) 6.7 J
D) 7.6 J
Correct Answer:

Verified
Correct Answer:
Verified
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