[high dive) above a pool of water. according to the announcer, the divers enter the water at a speed of 56 mi/h (25 m/s). (air resistance may be ignored in this problem.) ve] visitors at an amusement park watch divers step off a platform 70 ft (a) is the announcer correct in this claim? explain. (b) is it possible for a diver to leap directly upward off the board so that, missing the platform on the way down, the diver enters the water at 25 m/s? if so, what initial upward speed is required? is the required initial speed physically attainable? how do you know?

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The answer should be a.

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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