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Problem 1.12

10 November, 2015 - 14:52
A metal square expands and contracts with temperature, the lengths of its sides varying according to the equation l=(1+\alpha T)l_o. Find the rate of change of its surface area a with respect to temperature. That is, find \dot{a}, where the variable with respect to which you're differentiating is the temperature, T. Check that your answer has the right units, as in Example

Solutions for chapter 1