Cart A has a mass of 2 kg and a speed of 3 m/s. Cart B has a mass of 3 kg and a speed of 2 m/s. Comparing the magnitude of momentum of Cart A to Cart B: Cart B has: the same amount of momentum.

a smaller magnitude of momentum.

O a greater amount of momentum

Sorry my friend i don't know the answer. i am just in 6th

You would need to take a picture so i can see

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.