Q1// A steel cylinder at 80 °F of length 12" is placed in a liquid nitrogen bath (-315 °F). If thermal expansion coefficient of steel behaves as a second order polynomial of temperature and the polynomial is found by regressing the data below, Coefficient of thermal Temperature, T |(°F) |expansion, a (in/in/°F) 6.47 x10-6 | 6.24×106 6.00x10-6 4.72×106 4.30x10-6 | 2.76×10-6 80 40 |-160 -200 -320 |-340 2.45x10 What is the reduction in the length of cylinder? Take: AL = L, × JadT Troom

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