Solution to task 348 from Chertov´s for extramural stud

Solution to task 348 from Chertov´s for extramural stud

348. An electron with a speed v0 = 2 Mm / s flies into a uniform electric field of strength E = 200 V / m (along the line of force). Determine the distance l that the electron will travel to the point at which its velocity will be equal to half the initial one.