Solving a problem in physics section 73 point 95 electr

Solving a problem in physics section 73 point 95 electr

95. A ball weighing 4 g, having a charge of 4 ∙ 10−8 C, is motionlessly hanging on a silk thread in the air. If another ball with the same charge of 6 ∙ 10−7 C is placed under the ball at a distance of 10 cm from it, then will the thread tension force be equal to?

Additional information:

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