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eduardalcazar
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Homework Statement
metal rod 30cm long expands by 0.075cm when its temp. is raised from 0C to 100C. A rod of diff. metal of the same length expands by 0.045cm for the same rise in temp. A third rod, also 30cm long is made up of pices of each of the above metals placed end-to-end expands 0.065cm between 0C to 100C.
What is the length of EACH composite bar.
The Attempt at a Solution
deltaL=initial L x coefficient of thermal expansion.
That formula was the similar from some of my friends. I tried it but still i found it out complicated. Thanks in advance to those who helped. God bless