Chemistry, 07.04.2020 03:07, nicollexo21

A runner covers the last straight stretch of a race in 4 s. During that time, he speeds up from 5 m/s to 9 m/s. What is the runners acceleration in this part of the race?

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A runner covers the last straight stretch of a race in 4 s. During that time, he speeds up from 5 m/...