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memorization

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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  • Displacement

    \(\Delta x\)


    \(\Delta x=xf-xi\)

    final position - initial position = displacement

  • Distance

    \(d\)


    \(d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\)

    distance = meters/seconds

  • Speed

    \(s\)


    \(s=\frac{d}{\Delta t}\)