Can anyone answer correctly for me?

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

In a system, when potential energy decreases, then entropy also decreases. true false

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?