An aluminum wing on a passenger jet is
33 m
long when its temperature is
17°C.
At what temperature would the wing be 7 cm (0.07 m) shorter?
Using relation,
dL = L a dT
-0.07 = 33 x 24 x 10^-6 x (T - 17)
Temperature, T = -71.38°
Comment in case any doubt please rate my answer.....
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