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17 Jun 2008 18:03:33 IST

Subject: Re:answer this

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heavensablaze (163)

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Well force F= Kq(Q-q)/x²

=K(qQ-q²)/x²

for maximum repulsion dF/dq=0

Thus d(qQ-q²)/dq=0

therefore Q-2q=0

q=Q/2 .....................Ans.

Plz correct me if i am wrong.

rate if correct.

this reply: 2 points (with 0 Olaaa!! Perrrfect answer.

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