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h3.  Coordinate

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Because a difference in position is required when employing the Law of Change for the One-Dimensional Motion with Constant Velocity model, it is important to carefully consider the problem statement, define a useful coordinate system, and accurately assign the initial and final positions. The power to choose an advantagous origin and direction for your coordinates is a feature of all the motion models that can often be exploited to simplify calcuations, but it is important to remember that with great power comes great responsibility: failing to consciously choose a coordinate system can lead to sloppy math and an incorrect solution.

 Systems {align:mode=right}[!copyright and waiver^SectionEdit.png!|Motion with Constant Velocity (Coordinates)]{align}

Because a difference in [position] is required when employing the [Law of Change] for the [One-Dimensional Motion with Constant Velocity|1-D Motion (Constant Velocity)] [model], it is important to carefully consider the problem statement, define a useful [coordinate system], and accurately assign the initial and final positions.  The power to choose an advantagous origin and direction for your coordinates is a feature of all the motion models that can often be exploited to simplify calcuations, but it is important to remember that with great power comes great responsibility: failing to consciously choose a coordinate system can lead to sloppy math and an incorrect solution.

{tip:title=Check your understanding by solving this Milestone Problem:}
*[Overdriving Headlights]* ({excerpt-include:Overdriving Headlights|nopanel=true})
{tip}