Question: Two point charges are lying on the y axis as in the figure: q1 = -4.00 µC and q2 = 14.00 µC. They are equidistant

Two point charges are lying on the y axis as in the figure: q1 = -4.00 µC and q2 = 14.00 µC. They are equidistant from the point P, which lies on the x axis. Concepts: (i) There is no charge at P in part a of the figure. Is there an electric field at P? (ii) What is the direction of the electric field at point P due to charge q2? (iii) Is the magnitude of the electric field at P equal to E1 + E2, where E1 and E2 are the magnitudes of the electric fields produced by q1 and q2? Explain. Calculations:
(a) What is the net electric field at P?
(b) A small object of charge q0 = 18.00 µC and mass m = 1.2 g is placed at P. When it is released, what is its acceleration?

(b)
(a) Charges q1 and q2 lie on the y axis, and point P lies on the x axis. (b) The net electric field at point P is .

-y 91 0.700m 31.0 LP 31.0 6.700 m 91 EI 31.0 1.0

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