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Steel train rails are laid in 11.5-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.0°C. Review | Constants How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 35.0°C? Express your answer with the appropriate units. D= Part B μA Submit Request Answer Value Submit Units If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 35.0°C? Express your answer in pascals. Enter positive value if the stress is tensile and negative value if the stress is compressive. V—| ΑΣΦ Request Answer ? ? Pa

Steel train rails are laid in 11.5-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.0°C. Review | Constants How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 35.0°C? Express your answer with the appropriate units. D= Part B μA Submit Request Answer Value Submit Units If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 35.0°C? Express your answer in pascals. Enter positive value if the stress is tensile and negative value if the stress is compressive. V—| ΑΣΦ Request Answer ? ? Pa

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Steel train rails are laid in 11.5-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.0°C. Review | Constants How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 35.0°C? Express your answer with the appropriate units. D = Submit Part B F A = μA Submit Value Request Answer If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 35.0°C? Express your answer in pascals. Enter positive value if the stress is tensile and negative value if the stress is compressive. 1ΨΕΙ ΑΣΦ Units Request Answer ? ? Pa
Transcribed Image Text:Steel train rails are laid in 11.5-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.0°C. Review | Constants How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 35.0°C? Express your answer with the appropriate units. D = Submit Part B F A = μA Submit Value Request Answer If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 35.0°C? Express your answer in pascals. Enter positive value if the stress is tensile and negative value if the stress is compressive. 1ΨΕΙ ΑΣΦ Units Request Answer ? ? Pa
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