Final answer:
The question is about the acceleration of an electron in an electric field, involving concepts of electric potential and kinetic energy.
Step-by-step explanation:
The subject of the question involves the concepts of electric potential and the acceleration of an electron between two points in an electric field. For an electron moving from a lower potential of 35V to a higher potential of 185V, both kinetic energy and electric potential energy principles apply. The electron is accelerated by the electric field, and the change in potential corresponds to a change in kinetic energy due to the work done by the field on the electron.