Andy has two strong magnetic marbles of equal size. what will happen when he puts the two marbles about 2 centimeters apart? a)they will roll towards each other and stick together. b)they will roll away from each other and push apart. c)one will attract the other one. d)the two marbles will not move.

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.