Задача id16683
An electric field of intensity E is created between flat parallel plates of length L. A beam of electrons flies into the field at an angle to the plates a > 0 and leaves it at an angle b < 0 (Fig. 4.13). Find the initial speed of the electrons. Neglect gravity.
Detailed solution. Format gif
Оплата и выдача товара осуществляются через партнёрскую платформу.