Average speed

At what average speed would you have to travel around the world in 80 days? (Assume a path along the equator; round to km/h.)

Final Answer:

v =  21 km/h

Step-by-step explanation:

t=80 24=1920 h r=6371 km  s=2π r=2 3.1416 637140030.1736 km  v=ts=192040030.1736=21 km/h



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