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Introductory Physics Homework Help
What is the potential energy of this group of charges?
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[QUOTE="neilson18, post: 5379875, member: 585266"] [h2]Homework Statement [/h2] Three electrons form an equilateral triangle 0.800 nm on each side. A proton is at the center of the triangle. [h2]Homework Equations[/h2] U = k[(q_1*q_2)/r] [h2]The Attempt at a Solution[/h2] I tried to use the following equation: k*[(3e^2)/(0.8*10^-9) - (3e^2)/(0.4*10^-9)] I plugged in 1.602*10^-19 for both e-values, and got the following answer: -6.4*10^-19 Volts However, it says that "I do not have the correct dimensions." I'm not sure what that error means or what I did wrong, so any help would be appreciated. [/QUOTE]
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Introductory Physics Homework Help
What is the potential energy of this group of charges?
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