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

Question

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

anonymous · Answer

$\Large d=vt$

convert your time into seconds then plug the given values in the formula :)

anonymous · Answer

Thank you (:

anonymous · Answer

no problem
welcome to openstudy!