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# Real World Applications Definitions

Browse our growing collection of real world applications definitions:

#### ARC

ARC an abbreviation of average rate of change is the change in the value of a quantity divided by the elapsed time. For a function, this is the change in the y…

#### Average Rate of Change

Average rate of change or ARC is the change in the value of a quantity divided by the elapsed time. For a function, this is the change in the y-value (Δy)…

#### International System of Units (SI)

The International System of Units, internationally known by the abbreviation SI (Système International), is the modern form of the metric system.

#### Prefix

A prefix is an affix which is placed before the stem of a word to denote additional information or change the meaning of that word.

#### Time

Time is the continued sequence of existence and events that occur in an apparently irreversible succession from the past, through the present, and into the fut…

#### Velocity

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.

#### Wavelength

In physics, the wavelength is the spatial period of a periodic wave. In other terms the distance over which the wave's shape repeats.

#### Work

In physics, work is the product of force and displacement. A force is said to do work if, when acting, there is a displacement of the point of application in t…