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OpenStudy (anonymous):
The Olympic record for the marathon is 2 hours 9 minutes 21 seconds. If the average speed of a runner achieving this record is 5.436 m/s, what is the marathon distance? A: 15,878 km B: 7,761 km C: 42.2 km D: 26.2 km
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OpenStudy (anonymous):
\(\Large d=vt\) convert your time into seconds then plug the given values in the formula :)
OpenStudy (anonymous):
Thank you (:
OpenStudy (anonymous):
no problem welcome to openstudy!
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