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What should be the lengths of steel and ...

What should be the lengths of steel and copper rod so that the length of steel rod is 10 cm longer than the copper rod at all the temperatures. Coefficients of linear expansion for copper and steel are `alpha_(Cu)=1.7xx10^(-5) " "^(0)C^(-1) and alpha_("steel")=1.1xx10^(-5)""^(@)C^(-1)`

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18.3 cm, 28.3 cm
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What should be the lengths of steel and copper rod so that the length of steel rod is 10 cm longer than the copper rod at all the temperatures. Coefficients of linear expansion for copper and steel are alpha_(Cu)=1.7xx10^(-5)""^(@)C^(-1)andalpha_("steel")=1.1xx10^(-5)""^(@)C^(-1)

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A brass rod and a copper rod have same difference in length at all temperatures. If the difference in their length is 10 cm at 0^(@)C find the length of brass and copper roeds. (alpha_("brass")=19xx10^(-6)" "^(@)Candalpha_("copper")=17xx10^(-6)" "^(@)C)

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