Answer to Question #302980 in Electricity and Magnetism for lani

Question #302980

2 charged particles reacted with a force of 0.31 N with a distance of 1.5 cm, the 2nd charge contains 54 nC. Find the value of the first charge.

Expert's answer

"q_2=\\frac{Fr^2}{kq_1}=143.5~nC."

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