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Sagot :
In order to calculate the kinetic energy of the runner, we can use the following formula:
[tex]E=\frac{mv^2}{2}[/tex]Where m is the mass and v is the speed.
So, using m = 130 and v = 5, we have:
[tex]\begin{gathered} E=\frac{130\cdot5^2}{2} \\ E=\frac{130\cdot25}{2} \\ E=65\cdot25 \\ E=1625\text{ J} \end{gathered}[/tex]Therefore the correct option is A.
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