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Physics 4. Two particles, of charges or and q, are separated by distance d as shown in the figure. a) If the charges are 9, - -8.0 x 10* Cand 97--4.0 x 10* C. find the location at which the electric field is zero, Assumed - 2.0 m. b) What is the magnitude of the force between the charges? Assume the charges are fixed in place and cannot move. (part a 15 pts, part b 10 pts, 25 pts total) 4/1 d