Solving a problem in physics section 72 point 86 electr

Solving a problem in physics section 72 point 86 electr

86. A copper ball with a diameter of 1 cm is placed in oil. Oil density ρ = 800 kg / m3. What is the charge of the ball, if in a uniform electric field the ball is suspended in oil? The electric field is directed vertically upward, and its intensity is E = 35 kV / cm.

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