Why is pluto no longer considered a planet?

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

From the perspective of an employee that effective channeling of work related information and concerns

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?