# Athletic competition

In a 400 meter athletic competition, a participant covers the distance as given below.

find the average speed?

first 80 meters 10 m/s

next 240 meters 7.5 m/s

last 80 meters 10 m/s

find the average speed?

first 80 meters 10 m/s

next 240 meters 7.5 m/s

last 80 meters 10 m/s

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