Which of the following statements about two carts rolling on a track and experiencing a completely inelastic collision is TRUE?

a. The kinetic energy of the system is conserved to good approximation.

b. The momentum of the system is conserved to good approximation.

c. The sum of the velocities of the two carts just before and just after the collision is approximately the same.

Are a.larger

The answer is as follows in the photo

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.