You drive along on a straight road at 20 m/s. The light in front of you turns red and you brake with a constant acceleration. You come to a stop after traveling a distance of 15 meter. Assume you started out driving in the positive direction. a. What is the acceleration of the car?
b. How much time did it take to comes to a stop?

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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.

Physical science b final exam bernoulli’smovepowercompound translucent the sun i was having such a pain for this searching every question so i hope i made someone happy