Engineering, 25.12.2019 17:31 carapiasebas

Knowing a .02 in gap exists when the temperature is 75 degrees f, determine

(a) the temperature at which the normal stress in the aluminum bar will be equal to -11ksi,
(b) the corresponding exact length of the aluminum bar.

bronze aluminum
a = 2.4 in^2 a=2.8 in^2
e=15x10^6 psi e=10.6x10^6
alph=12x10^-6/f alpha=12.9x^-6/f
l=14in l=18in

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Knowing a .02 in gap exists when the temperature is 75 degrees f, determine

(a) the temp...