Solving a problem in physics section 74 point 46 electr

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46. A thin silk thread withstands a tensile force of 9.8 ∙ 10−3 N. A 0.67 g ball suspended on this thread has a charge q1 = 1.1 ∙ 10−9 C. From below, in the direction of the suspension line at a distance of 1.8 cm, a ball having a charge q2 of the opposite sign is brought to it. At what charge q2 can the thread break? Express the answer in (nC).

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

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