Opinions on Velocity

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This article is about velocity in physics. For other uses, see Velocity (disambiguation).

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. Velocity is equivalent to a specification of its speed and direction of motion, e.g. 60 km/h to the north. Velocity is an important concept in kinematics, the branch of classical mechanics that describes the motion of bodies.

Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of velocity is called "speed", a quantity that is measured in metres per second (m/s or m⋅s) in the SI (metric) system. For example, "5 metres per second" is a scalar (not a vector), whereas "5 metres per second east" is a vector.

If there is a change in speed, direction, or both, then the object has a changing velocity and is said to be undergoing an acceleration.

In the image below, you can see a graph with the evolution of the times that people look for Velocity. And below it, you can see how many pieces of news have been created about Velocity in the last years.
Thanks to this graph, we can see the interest Velocity has and the evolution of its popularity.

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