Question 8.Q.15: The length of a 115-ft metal column changes its length to 11......
The length of a 115-ft metal column changes its length to 115 ft 2.5 in when the temperature goes from −40 to 116°F. What is the coefficient of expansion of the metal?
Step-by-Step
\frac{2.5}{12}=115\times 156\times \alpha \\ \alpha =\frac{2.5}{12\times 115\times 156}=1.15\times 10^{-5}/ºF=11.5\times 10^{-6} /ºF
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