Antonius
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My question is, why it's 1/2 [qiVi]? Shouldn't it just be qiVi?
Thank you ...
Why it's (1/2)? [Electric Potential Energy]
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My question is, why it's 1/2 [qiVi]? Shouldn't it just be qiVi?
Thank you ...
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You want to count "pairs"...
That is, if you include both [itex]\frac{q_1q_2}{r_{12}}[/itex] and [itex]\frac{q_2q_1}{r_{21}}[/itex], you are counting the same "pair" twice.
That is, if you include both [itex]\frac{q_1q_2}{r_{12}}[/itex] and [itex]\frac{q_2q_1}{r_{21}}[/itex], you are counting the same "pair" twice.
Antonius
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Oh I see,robphy said: