1At what temperature of 0^C steel rod copper rod have length of 800.1cm 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-------.0000122.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
difficult issue. seek at yahoo or google. it will help!
Hello check your data: steel rod 800,1 cm, copper rod 99,9 cm? That will not work. And I assume that they have these lengths at 0°C. Ls length of steel rod Lc length of copper rod use Ls*(1 + 0,000012*?T) Lc(1 + 0,000017*?T) and solve for ?T if the steel rod is 100,1 cm at 0°, and the copper rod 99,9 cm at 0° 100,1(1+0,000012?T) 99,9(1+0,000017?T) solution: ?T 402,334 °C b) use ?L alpha*L0*?T 0,002 4,001*0,000019*?T -- solve for ?T ?T 0,002/4,001*0,000019 ?T 26,31 ° End temperature 26,31° Regards
