Consider Coulomb's law, shown here in its mathematical representation. GetImage (11)-5.png Which of the following statements are true? Group of answer choices k can have a negative value. k is a positive constant. The vertical bars denote average value. The vertical bars denote magnitude of value. The force by charge 1 on charge 2 is equal in magnitude to the force by charge 2 on charge 1. The force between two particles increases as the square of the distance between the two. The force between two particles decreases as the square of the distance between the two