Two electrons are separated by a distance of
3.00 × 10^−6 meter. what are the magnitude and
direction of the electrostatic forces each exerts
on the other?
(1) 2.56 × 10^−17 n away from each other
(2) 2.56 × 10^−17 n toward each other
(3) 7.67 × 10^−23 n away from each other
(4) 7.67 × 10^−23 n toward each other

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=