Women Who Walk Four Hours a Week Reduce Their Risk

question 37

True/False

Women who walk four hours a week reduce their risk of premature death by 31 percent.

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Definitions:

Reactive Power

The component of electric power that oscillates between the source and load, associated with the energy stored in the field of an inductor or capacitor.

Inductive Reactance

The opposition that an inductor presents to alternating current, due to the inductor's ability to store energy in a magnetic field.

Parallel Circuit

An electrical circuit in which components are connected across common points or junctions, providing multiple paths for current to flow.

Apparent Power

The total power in an AC circuit, equal to the product of the root mean square voltage and current, measured in volt-amperes (VA).