IN the given position-time graph of a non-uniform motion what will be the average velocity between ${{x}_{1}}$ and ${{x}_{2}}$?

motioninstraightline
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#1

In the given position-time graph of a non-uniform motion what will be the average velocity between ${{x}{1}}$ and ${{x}{2}}$ ?


#2

Average velocity is the slope of the line ${{x}{1}}$, ${{x}{2}}$ , i.e.,