Two charges, each 2 µC, are on the x axis, one at the origin and the other at x

Question

Two charges, each 2 µC, are on the x axis, one at the origin and the other at x = 8 m. Find the electric field on the x axis at each of the following locations. 1)x = -2 m -9180 N/C ihatbold Submit You currently have 1 submissions for this question. Only 10 submission are allowed. You can make 9 more submissions for this question. 2)x = 2 m N/C ihatbold Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 3)x = 6 m N/C ihatbold Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 4)x = 10 m N/C ihatbold Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 5) At what point on the x axis is the electric field zero? m Submit

Explanation / Answer

1) E = - k q / 2^2 - k q / 10^2

k = 9 x 10^9 , q = 2 x 10^-6 C

E = - 4680 N/C

2) E = k q / 2^2 - k q / 6^2

E = 4000 N/C

3) E = k q / 4^2 - k q / 4^2 = 0

4) E = k q / 10^2 + k q / 2^2

E = 4680 N/C

5) at x = 6 m

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