Physics, 04.03.2021 18:50 deezzzy

The Berlin marathon is one of the fastest marathons courses; many world records have been set there. In 2014 Dennis Kimetto ran the 42.195 km in 2 hours, 2 minutes and 5 seconds. what was his average speed?

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The Berlin marathon is one of the fastest marathons courses; many world records have been set there....