question_answer

Two identical positive charges are fixed on the y-axis at equal distances from the origin O. A negatively charged particle 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. Its acceleration 'a? is taken as positive along its direction of motion. The best graph between the particle's acceleration and its x-coordinate is represented by:

A)        

B)  

C)  

D)