Question:

1. Three balloons, A, B, and C, are given a charge and placed next to each other. A and B are found to repel. Later, B and C are

1. Three balloons, A, B, and C, are given a charge and placed next to each other. A and B are found to
repel. Later, B and C are found to repel each other. Which of the following statements MUST be true
about balloons A and C?
a. A and C are both positively charged
b. A and C are both negatively charged
C. The charges on A and C have opposite signs
d. The charges on A and C have the same sign

1. Three balloons, A, B, and C, are given a charge and placed next to each other. A and B are found to repel. Later, B and C are found to repel each other. Which of the following statements MUST be true about balloons A and C? a. A and C are both positively charged b. A and C are both negatively charged C. The charges on A and C have opposite signs d. The charges on A and C have the same sign