Jisho

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Noun
1. jerk; surge; lurch; derivative of acceleration with respect to timePhysics
Wikipedia definition
2. Jerk (physics)In physics, jerk, also known as jolt, surge and lurch, is the rate of change of acceleration; that is, the derivative of acceleration with respect to time, the second derivative of velocity, or the third derivative of position. Jerk is defined by any of the following equivalent expressions: where is acceleration, is velocity, is position, is time. Jerk is a vector, and there is no generally used term to describe its scalar magnitude (e.g. , "speed" as the scalar magnitude for velocity).
Read “Jerk (physics)” on English Wikipedia
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Read “Jerk (physics)” on DBpedia

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