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determine the lengths of an iron rod and a copper ruler at 0' C if the difference in their lengths at 50' C and 450' C is the same and is equal to 2 cm. The coefficient of linear expansion of iron = 12 x 10 race to -6 / K and that of copper= 17 x 10 race to -6 / K

krunal girishbha prajapati , 14 Years ago
Grade 12
anser 2 Answers
Chetan Mandayam Nayakar

Let F and C be the iron and copper lengths at 0 c

F(1+ (12*10^-6)*50)-C(1+(17*10^-6)*50)=2

C(1+(17*10^-6)*450)-F(1+(12*10^-6)*450)=2

solve for F and C

Last Activity: 14 Years ago
krunal girishbha prajapati

thanx

Last Activity: 14 Years ago
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