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0°C¹). Expa rature change

0°C¹). Expa rature change

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A train track is built of 12.0 m long forged iron rail sections (coefficient of linear expansion of iron = 11.3x10 °C-¹). Expansion gaps are placed between rail sections to keep the track from buckling during temperature changes. How wide should the gaps be to prevent buckling in the temperature range -30.0 °C to 50.0 °C?
Transcribed Image Text:A train track is built of 12.0 m long forged iron rail sections (coefficient of linear expansion of iron = 11.3x10 °C-¹). Expansion gaps are placed between rail sections to keep the track from buckling during temperature changes. How wide should the gaps be to prevent buckling in the temperature range -30.0 °C to 50.0 °C?
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