Solving a problem in physics section 67 point 88 electr

Solving a problem in physics section 67 point 88 electr

88. Under the influence of an electrostatic field of a uniformly charged infinite plane, the point charge Q = 2 nC has moved along the line of tension by a distance equal to r = 2 cm; at the same time, work A = 40 μJ was completed. Determine the surface density σ of the charge in the plane.

Additional information:

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