Part A Determine the magnitude of the electric field at a point midway between a

Question

Part A Determine the magnitude of the electric field at a point midway between a-8.4 Express your answer using two significant figures. and a 8.9 charge 8.0 cm apart. Assume no other charges are nearby ? N/C Submit Request Answer Part B Determine the direction of the electric field at a point midway between a-84 ,C and a 8.9 C charge 8.0 cm apart. Assume no other charges are nearby towards the negative charge O perpendicular to the line connecting the two charges O towards to the positive charge Submit uest Answer

Explanation / Answer

Electric field due to -8.4 uC charge,

E1 = kq1 / r^2 (towards negative charge)

Electric field due to 8.9 uC charge,

E2 = kq2 / r^2 (towards negative charge)

Electric field at a point midway b/w charges,

E = kq1 / r^2 + kq2 / r^2

E = 9*10^9*8.4*10^(-6) / (0.04)^2 + 9*10^9*8.9*10^(-6) / (0.04)^2

E = 9.73*10^7 N/C

(b)

Direction - Towards negative charge

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