Solving a problem in physics section 72 point 87 electr

Solving a problem in physics section 72 point 87 electr

87. A copper ball with a diameter of 1 cm is placed in oil. The density of the oil is 800 kg / m3. What is the charge of the ball, if in a uniform electric field the ball is suspended in oil? Electric field strength 36 kV / cm (in oil). The density of copper is 8600 kg / m3. The answer is expressed in nC.

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

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