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In theory, how fast would your average human have to wave its arms to remain airborne ?
There are 7 answer(s) for this question. View answers | Submit an answer
Categories: Human Body.
Tags: human, fly, flying, arms, How, fast.
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Why do we tend to sway our arms when walking? Is it because it provides more energy?
There are 3 answer(s) for this question. View answers | Submit an answer
Tags: walking, arms.
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