/r/theydidthemath
[Request] How fast would Usain Bolt’s 100m at the 2008 Beijing Olympics been if he hadn’t celebrated before reaching the finish line?
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[Request] When I was younger my grandpa used to tell me to walk slower mowing his lawn because if I went to fast I'd go to fast for the mower. How fast would I actually have had to run before the mower blade started missing blades of grass?
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[Request] How would shaving an athlete’s head and taking off their jewellery make a difference on the 100m sprint?
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[Request] Is it possible to calculate how much time it would take for everyone to find their balloons?
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[Request] How much more distance do planes have to fly because they are in the air, further from earth’s center?
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