93. In a uniform electrostatic field of intensity E = 500 V / m, the charge Q = −10 nC was moved in the direction of the line of tension by a distance l = 5 cm. Define: 1) the work A of the field forces; 2) a change in the potential energy ΔWp of the charge.

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