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A railway track (made of iron) is laid i...

A railway track (made of iron) is laid in winter when the average temperature is `18^C`. The track consists of sections of 12.2 m poaced one after the other. How much gap should be left between two such sections so that there in no comperession during summer when the maximum temperature goes to `48^C`? Coefficient of linear expansion of iron `= 11 xx 10^(-5) 0^C(-1)`.

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A railway track (made of iron) is laid in winter when the average temperature is 18^(@)C . The track consists of sections of 12.2 m placed one after the other. How much gap should be left between two such sections so that there in no compression during summer when the maximum temperature goes to 48^(@)C ? Coefficient of linear expansion of iron = 11 xx 10^(-5) @C(-1) .

A railway track (made of iron) is laid in winter when the average temperature is 18^(@)C . The track consists of sections of 12 m placed one after the other. How much gap should be left between two such sections so that there in no compression during summer when the maximum temperature goes to 48^(@)C ? Coefficient of linear expansion of iron = 11 xx 10^(-5)C^(-1) .

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