Inez is making a model of a sugar crystal. She wants her model to show how the sugar molecules move in the crystal. She is using plastic foams balls to represent the sugar molecules. How should she put the plastic foam balls together to make her model

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples