February 27, 2017

Homework Help: Physics

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?
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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