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Velocity is change in position, or displacement, over time.
Speed --- actually, if your question is 'position' over time, there is no answer since position is a vector quantity. And position divided by time will still yield a vector quantity-- velocity. If the question asks for change in distance over time, then the answer is speed. --gh ---
Motion is the change in an object's position without including direction.
Speed is the rate of movement in any direction based on change in position for a change in time. Velocity is a change in speed. It is also a change in direction while the speed does not have to change.
Velocity is the derivate of position with respect to time (i.e., the rate of change of position). Velocity is a vector (the direction is relevant). If only the number is specified, not the direction, the word "speed" is used instead. Acceleration is the derivative of velocity with respect to time; or the second derivate of position with respect to time (i.e., the rate of change of velocity).
movement
Motion is the change in an object's position without including direction.
1.The time rate of change of position of a body in a particular direction 2. And by an arrow.
Velocity is change in position, or displacement, over time.
Speed --- actually, if your question is 'position' over time, there is no answer since position is a vector quantity. And position divided by time will still yield a vector quantity-- velocity. If the question asks for change in distance over time, then the answer is speed. --gh ---
When something is moving or in motion, it can be changing position and direction. However, the object does not have to be doing both at the same time.
Velocity
speed
Motion is the change in an object's position without including direction.
The velocity of an object, in a given direction, is a vector which measures the change in position, in that direction, per unit of time.
speed
A change in position in a certain amount of time is called motion.