Question

A particle with charge Q is on the y axis a distance A from the origin...

A particle with charge Q is on the y axis a distance A from the origin and another particle with charge q is on the x axis a distance D from the origin. The value of D for which the x component of the force on the second article is the greatest is:

A)0

B) A

C) Sqrt(2)A

D) A/2

E) A/sqrt 2

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