initially (at time t = 0 ) a particle is moving vertically at 6.6m/s and horizontally at 0m/s. Its horizontal acceleration is 1.1m/s^2. At what time will the particle be traveling at 59 degrees with respect to the horizontal? The acceleration due to gravity is 9.8m/s^2. Answer in units of s.

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.

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