Physics

Problem

A system has two charges

q_A = 2.5 \times 10^{-7}\text{ C}

and

q_B = -2.5 \times 10^{-7}\text{ C}

located at points A: (0, 0, -15 cm) and B: (0, 0, +15 cm), respectively. What are the total charge and electric dipole moment of the system?