How much compressional stress builds up in a thick aluminum bar held between 2 immovable walls if the temperature increases by 20. C°? (? = 24. × 10-6 C-1, Y = 7 × 1010 N/m2)
A) 34. × 105 N/m2
B) 34. × 107 N/m2
C) 34. × 106 N/m2
D) 34. × 104 N/m2
E) 34. × 108 N/m2
C
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