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1..........At what temperature of 0^C steel rod & copper rod have length of 80.1cm and 99.9cm respectively. At what temperature will the 2 rods have the same length.
Coefficients of linear expansion (per °C) copper rod----.000017 steel rod-------.000012

2.....The length of a brass bar increase from 4.001m into 4.0030 m. find the final temperature of the bar if the initial temperature was 0 Celsius.
Coefficients of linear expansion (per °C) brass----- .000019


    I will be happy to critique your work. These are straightforward uses of simple equations.


    Your question #1 still contains a typo error

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