AmatullahBenjamin AmatullahBenjamin

30-09-2020
Physics

contestada

A runner runs the first 400m of a race in 80s, the second 400m in 70s and the final 800m in 130s. What was her average speed for this run?

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allietaylor21 allietaylor21

30-09-2020

The runners average speed would be 330 km/h for the run .

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