Define what is the meaning of velocity?
The velocity, a function of time, is the rate at which an object's position changes concerning a frame of reference. Velocity is the same as a specification of an object's speed and direction of motion (e.g. 60 km/h to the north). Velocity is a key concept in kinematics, the part of classical mechanics that explains body motion. Velocity is a physical vector quantity that must be defined in terms of both magnitude and direction. Speed is a coherent derived unit whose amount is measured in metres per second (m/s or m⋅s−1) in the SI. It represents the scalar absolute value (magnitude) of velocity (metric system).
What is velocity? what is an example of velocity?
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