Physics, 18.08.2021 06:50 tiamaharaj

What is the average velocity of a man who runs forward at 8 m/s for 9 s and back again at 5 m/s for 3 s after an 8 s break?

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What is the average velocity of a man who runs forward at 8 m/s for 9 s and back again at 5 m/s for...

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