an electron is shot at an initial speed of v0 = 2.00 × 106 m/s, at an angle ?0 = 35.0° from an x axis. It moves through a uniform electric field = (5.00 N/C) . A screen for detecting electrons is positioned parallel to the y axis, at a distance of x = 3.00 m. In unit-vector notation, what is the velocity of the electron when it hits the screen?