Please help me I will give you 20 points !! You read a primary source and a secondary source that discuss the same
experiment. There is a difference in the conclusions made by these two
sources. Which should you trust more, and why?
O A. The secondary source, because it was printed on paper
B. The secondary source, because it is easier to understand
O C. The primary source, because it contains more charts
O D. The primary source, because it was written by the researcher

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=