blacklisted11 blacklisted11

29-01-2017
Physics

contestada

In countries where there is very hot and very cold weather, should the gaps between the lengths of railway track be wider or narrower?

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clueless26 clueless26

29-01-2017

they should be bigger as if it is hot the tracks will expand as it is made of metal and then there is more room for it to expand or contract

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