The electric potential at the dot in the figure is 3020 V. What is charge q?

The objects do not reach terminal velocity         there is not enough time from the time the object falls from when it hits the ground to achieve terminal velocity. an object must be placed higher to achieve terminal velocity in order to be in free fall.

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move. 

Answertechnician (a) is correct;