A jogger runs the first 351m of a race in 14.2sec. What is the joggers velocity

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Speed or velocity=distance/time=351/14.2=24.72 m/s approx. 60×60=3600 seconds in an hour.

This can be converted into km/hr. First multiply by 3600 to find m/hr=88986m=88.99 km/hr approx (rather fast for a jogger!)

(A more realistic speed would be about 9km/hr so that’s 35.1/14.2 m/s.)

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