Решение задачи по физике раздел 16 пункт 71 молекулярн

71. Flying at a certain speed the electron enters the electric field, and moving along the power line, completely loses its speed between points with a potential difference of 400 V. The movement of electrons takes place in a vacuum. Determine the initial velocity of the electron. When a potential difference of the electron velocity decreases in 2 times?

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