Two point charges, Q subscript 1 equals 8.9 Q and Q subscript 2 equals 3.6 Q , are placed on the corners of a square as shown in the figure below. If the side length of the square is a , what is the magnitude of the electric field at the bottom right corner of the square? Express your answer using one decimal place in terms of k Q over a squared . (Hint= If you find the magnitude of the electric field to be N cross times k Q over a squared , just enter the value of N in the answer box!)
