Physics, 28.10.2020 22:20, mariahmimibrooks

A runner is keeping a steady pace of 9 m/s. But for the last 10 s they speed up to 18 m/s at the finish line. What is the acceleration?

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A runner is keeping a steady pace of 9 m/s. But for the last 10 s they speed up to 18 m/s at the fin...