Jacob drives his car 7 km east. he stops for lunch, then drives 5 km south before driving 2 km east. what distance did he cover? a. 12 km b. 14 km north c. 7 km east and 5 km south and 2 km east d. 14 km

stands for electromotive force and it is measured in volts. despite its name, it is not actually the force in the sense of being a "pushing" or "pulling" (not measured in newtons).an equation that relates emf,  ℰ,  to a battery's terminal voltage, v, current, i, and internal resistance, r, is    ℰ = v + irin this case, the emf can be interpreted as a voltage—a difference in electric potential.i would not say that it would be considered an energy. if emf can be defined as the energy/work per a unit charge from a battery or other electric source, then it is not strictly energy.

Ansa new gas is observed in the form of bubbles;