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The rail roads are usually made of steel material segments with a 10 m long. Between each segments there are some spacing for the contraction and expansion because of temperature differences. a. When the lemperature of certain region is changes between -20.0 C and 30 °C how much space they should put betwveen each segment? b. If the segments are originally in contact, what is the stress in them at 30 °C?

The rail roads are usually made of steel material segments with a 10 m long. Between each segments there are some spacing for the contraction and expansion because of temperature differences. a. When the lemperature of certain region is changes between -20.0 C and 30 °C how much space they should put betwveen each segment? b. If the segments are originally in contact, what is the stress in them at 30 °C?

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The rail roads are usually macde of steel material segments with a 10 m long. Between each segments there are some spacing for the contraction and expansion because of temperature differences. a. When the temperature of certain region is changes between -20.0 °C and 30 °C how much space they should put between each segment? b. If the segments are orngınally n contact, what is the stress in them at 30 C?
Transcribed Image Text:The rail roads are usually macde of steel material segments with a 10 m long. Between each segments there are some spacing for the contraction and expansion because of temperature differences. a. When the temperature of certain region is changes between -20.0 °C and 30 °C how much space they should put between each segment? b. If the segments are orngınally n contact, what is the stress in them at 30 C?
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