atd0e8vedoritsjackg atd0e8vedoritsjackg

20-10-2016
Mathematics

contestada

If you bike for 60 kilometers at 30 kilometers per hour and return at 20 kilometers per hour, what is the average speed for the whole trip.

Respuesta :

sakarpathak111 sakarpathak111

20-10-2016

v1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
=2*30*20/(30+20)
=24km/hr

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