The speed of the runner will be 7.89 m/sec. Speed is a time-based quantity. Its SI unit is m/sec.
What is speed?
Speed is defined as the rate of change of the distance or the height attained.
The speed of the runner is;
[tex]\rm d = v \times t \\\\ V= \frac{d}{t} \\\\ V= \frac{300}{38} \\\\ V= 7.89 \ m/sec[/tex]
Hence, the speed of the runner will be 7.89 m/sec.
To learn more about the speed, refer to the link;
https://brainly.com/question/7359669
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