Solving a problem in physics section 73 point 40 electr

Solving a problem in physics section 73 point 40 electr

40. At what angle does the small ball with a charge of 4 ∙ 10−7 C of a weight of 4 mg, suspended on a silk thread, deviate from the vertical, if it is placed in a horizontal uniform electric field with a strength of 100 N / C?

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