Решение задачи по физике раздел 72 пункт 94 электро

94. An electrostatic field is created in a vacuum by a point charge. Determine the strength of this field E1 at a point located at a distance r1 = 5 cm from the charge, if at a distance r2 = 15 cm from it E2 = 100 kV / m.

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