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a wheel has a diameter of 80cm how many rotations does it take to travel 100m 

 May 20, 2020
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A circle diameter 80 has a circumference of 40* 2π = 80π cm. Thus it takes 100*100 / 80π = 10000/80π = 1000/8π = 125/π rotations.

 

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 May 20, 2020

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