define acceleration
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Answer:
Acceleration is a term used in physics to describe the rate at which an object's velocity changes over time. It measures how quickly an object's speed or direction changes. It is often represented by the symbol "a" and is measured in units of meters per second squared (m/s²).
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Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.
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