The tallest Sequoia sempervirens tree in California's redwood national park is 111m tall. Suppose an object is thrown downward from the top of that tree with a certain initial velocity. if the object reaches the ground in 3.80s, what is the objects initial velocity?

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.

Hi. i believe this is called a scientific  theory.cheers!