How many space must be left between adjacent rails if they

Steel train rails are laid in 12m long segments placed end to end. the rails are laid on a winter day when their temperature is -2.0degrees celsius

A.) How many space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 33degrees celsius?

B.) If the rails are originally laid in contact. what is the stress in them on a summer day when their temperature is 33degrees celsius?

If the rails are originally laid in contact what is the : steel train rails are laid in 12m long segments placed end to end. the rails are laid on a winter day when their

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How many space must be left between adjacent rails if they : steel train rails are laid in 12m long segments placed end to end. the rails are laid on a winter day when their

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