Why is mass multiplied by the speed of light squared in einstein's famous equation?
a. mass is only converted to kinetic energy
c. energy is unstable
b. mass isn't conserved like energy is
d. the energy created is moving at the speed of light

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.

B) erini just took the test and it is correct

Answertechnician (a) is correct;