Estando duas cargas elétricas Q idênticas separadas por uma distância de 4m, determine o valor destas cargas sabendo que a intensidade da força entre elas é de 200 N​

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other

Answerbiological;

All i gotta say is ? k12 or usa test prep? and im not going to answer because you probably already finished.