Question: Five Styrofoam balls are suspended from insulating threads. Several experiments are performed on the balls and the following observations are made: Ball B attracts

Five Styrofoam balls are suspended from insulating threads. Several experiments are performed

Five Styrofoam balls are suspended from insulating threads. Several experiments are performed on the balls and the following observations are made: Ball B attracts D and repels E. Ball C attracts D and has no effect on A. A negatively charged rod attracts both A and B. State whether the charge on each ball is (+), (-), or zero A=

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