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Introductory Physics Homework Help
Find the net electric field these charges produce
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[QUOTE="yaro99, post: 4496316, member: 479066"] [h2]Homework Statement [/h2] Two point charges q1 = -6.15 nC, and q2 = -10.5 nC are separated by 25.0 cm (see figure below). [ATTACH=full]163780[/ATTACH] (a) Find the net electric field these charges produce at point A (b) Find the net electric field these charges produce at point B (c) What would be the magnitude and direction of the electric force this combination of charges would produce on a proton at A? [h2]Homework Equations[/h2] E=k[SUB]e[/SUB]*Q/r[SUP]2[/SUP] [h2]The Attempt at a Solution[/h2] I got the correct answer for (b), but got an incorrect answer for (a) using the same method. E = (k[SUB]e[/SUB]*Q)/(r[SUP]2[/SUP]) ƩE = 9*10[SUP]9[/SUP] * [(6.15*10[SUP]-9[/SUP])/(0.15[SUP]2[/SUP]) + (10.5*10[SUP]-9[/SUP])/(0.10[SUP]2[/SUP])] = 11910 N/C to the right [/QUOTE]
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Introductory Physics Homework Help
Find the net electric field these charges produce
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