Steel train rails are laid in 12.0-m-long segments placedend to end. The rails are laid on a winter day when their temperature is-9.0°C. (a) How much space must be left between adjacent rails if theyare just to touch on a summer day when their temperature is 33.0°C?(b) If the rails are originally laid in contact, what is the stress in them ona summer day when their temperature is 33.0°C?
Steel train rails are laid in 12.0-m-long segments placedend to end. The rails are laid on a winter day when their temperature is-9.0°C. (a) How much space must be left between adjacent rails if theyare just to touch on a summer day when their temperature is 33.0°C?(b) If the rails are originally laid in contact, what is the stress in them ona summer day when their temperature is 33.0°C?
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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°C. (a) 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°C?
(b) If the rails are originally laid in contact, what is the stress in them on
a summer day when their temperature is 33.0°C?
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