Posted by **JulieAnne** on Monday, September 6, 2010 at 2:54pm.

A record for a marathon is 2.00h, 9.00min, 21.0 sec. If the average speed of a runner achieving this record is 5.436 m/s, what is the marathon distance?

Answers:

15,878 km

7,761 km

42.2 km

26.2 km

We're omnly two days into the new school year and I don't have all the formulas straight-please help

Thank you

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