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I. A positive charge and a negative charge are placed in the x-y plane. One char

ID: 2218485 • Letter: I

Question

I. A positive charge and a negative charge are placed in the x-y plane. One charge Q1= 10-8 C is placed at a point x=-4 cm y=0, the second Q2 = -10-8 C is placed at a point x=+4 cm y=0. See figure. Answer the following questions. 3. What is the direction of the net electric field at a point (x,y)=(0,3 cm). Use symmetry to answer this question. a) along the positive y-axis, perpendicular to the line between the charges b) parallel to the x-axis from left to right c) along the negative y-axis, perpendicular to the line between the charges d) parallel to the x-axis from right to left e) simultaneously pointing away from the + charge and toward the

Explanation / Answer

E=2Kq^2/r^2 =1.125*10^5 N