what is motion,speed,velocity??
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Motion:
Motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time.
Speed:
the speed of an object is the magnitude of the rate of change of its position with time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity.
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.
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