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A recent news story (possibly an urban myth) stated that a student at another university stood on a vibration? |
Travel Info A recent news story (possibly an urban myth) stated that a student at another university stood on a vibration table for several minutes while the table was "cycled" through a range of frequencies. According to the story, this was strictly against the rules, but the Teaching Assistant had been distracted and did not see what was happening. Later, it was found that the student had badly damaged kidneys. In particular, the tissues which held the kidneys in place were stretched and broken, requiring a surgical repair. a.What caused the injury to the student? (Be specific; don't just say the vibration table.) b.How does this situation relate to the space program? i need an answer that makes best sense and factual.. Travel Tips a)鈾?from view point of physics a kidney should be considered as a pendulum; if own frequency of kidney and frequency of table coincide the kidney comes to resonance; resonance means a large amplitude, the connecting tissue being destroyed; b)鈾?the problem is similar to that in construction; several bridges are known to have been destroyed when a military detachment walked step-in-step. The same issue should be taken into account with any construction including space ships; if some parts come to resonance with vibrations of working engine the whole construction may be ruined to junk! Others If you want to check out the possibility that this could be an urban legend, go to www.snopes.com and type "vibration table" into the search box at the top of the window. If you don't get any hits, try adding "injury". |
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