15. A ball of radius R = 15 cm is uniformly charged with a bulk density ρ = 5 nC / m3. Determine the intensity E of the electrostatic field in a vacuum: 1) at a distance r1 = 30 cm from the center of the ball; 2) at a distance of r2 = 8 cm from the center of the ball.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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