physics 102
posted by pocholo on .
An aluminum wing on a plane is 30.6 m long when the temperature is 20 oC. At what temperature would the wing be 0.06 m shorter

(T  20)*(thermal expansion coeff.)* 30.6 = 0.06
Look up the thermal expansion coefficient of aluminum, and solve for T. It will be less than 20 C.
http://hyperphysics.phyastr.gsu.edu/hbase/tables/thexp.html 
80