Решение задачи по физике раздел 68 пункт 6 электро

6. Two charges q1 = 0.8 ∙ 10−6 C and q2 = −0.6 ∙ 10−6 C are 36 cm apart. Determine the field strength at a point lying in the middle between the charges. What will the tension at this point become equal if the second charge reverses the sign?

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)