1) An electron, travelling horizontally at constant speed in a vacuum, enters a vertical electric field between two charged parallel plates as shown.

What are the horizontal and vertical components of the motion of this electron when it is in the field?

2) The diagram shows an electron in a uniform electric field.

In which direction will the field accelerate the electron?

3) An electron enters the space between two parallel charged plates with an initial velocity u.

While in the electric field, its direction changes by θ and it emerges with a velocity v. What is the relation between v and u?

4) The force of attraction between two unlike charges is 1.5 N. If the distance between the charges is doubled, what is the force of attraction between them?

5) The diagram shows an electron, with charge q, mass m, and velocity v, entering a uniform electric field of strength E.

The direction of the field and the electron's motion are both horizontal and to the right.

Which expression gives the distance x through which the electron travels before it stops momentarily?