physics

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does the slope of a distance vs. time graph show

the average velocity

or the

instaneous velocity

I'm asked the question and don't know which one. I believe that it would be the instaneous value because the slope is refering to one point on the graph... not sure though

  • physics -

    You are right. Slope is measured tangent to the position-time curve. If the velocity is changing, there is only one tangent point. Slope of the tangent line is the instantaneous velocity

  • QUESTION -

    what if the velocity is kept constant

    or is suppose to at least

  • physics -

    If the velocity is constant (over a finite time interval) the average velocity during that interval and the instaneous velocity are the same.

  • physics -

    Thanks =]

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