kiritokun2749 kiritokun2749
  • 22-03-2024
  • Physics
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Steel train rails are laid in 12.0-m-long segments placed end to end. the rails are laid on a winter day when their temperature is -9.0℃. How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 33.0℃?

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