Two identical positive charges are fixed on the y-axis, at equal distances from the origin O. A particle with a negative charges starts on the x-axis at a large distance from O. moves along the x-axis passes through O, and moves far away from O on the other side. Its acceleration a is taken as positive along its direction of motion. Plot acceleration a of the particle against its x-coordinate.

Options

A.
B.
C.
D.

Answer

C

Explanation

`F=(2Q qx)/(4 pi e_0(t^2+x^2))^(3//2)`, Analyze for x=0 `x to impty,x to -impty `