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January 30, 2015
Q. How fast can you hit a speed bump and survive?
A. Speed bumps are designed to slow people down, with a 5 mph hit resulting in a gentle bounce, 20 mph delivering a sizable jolt, says former NASA roboticist Randall Munroe in “What If? Serious Scientific Answers to Absurd Hypothetical Questions.” As medical journals attest, people are occasionally injured, especially if “in a hard seat in the back of a bus on a poorly maintained road.”
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