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(a) An alumunium measuring rod which is ...

(a) An alumunium measuring rod which is correct at `5^@ C`, measures a certain distance as `88.42 cm at 35 ^@ C`. determine the error in measuring hr distance due to the expansion of the rod. (b) If this aluminium rod measures a length of steel as `88.42 cm at 35 ^@ C`, what is the correct length of the steel at `35 ^@ C` ?

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