18. Alpbone knows that a rocket traveling in a straight line accelerated by a constant rate of 100 (1 point) km/h. What other fact could Alphonse use to determine the acceleration of the rocket?
The rocket traveled 10 km while accelerating
The rocket spent 4 seconds accelerating
The rocket traveled directly perpendicular to the ground.
The rocket had an initial velocity of 0 km/h.

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=