Knowing that a 0.02-in. gap exists when the temperature is 75°F, determine (a) the temperature at which the normal stress in the aluminum bar will be equal to -11 ksi, (b) the corresponding exact length of the aluminum bar. 0,02 in. 14 in. 18 in. Alminum A = 2.8 in. E = 10,6 × 10°, Bronze A = 2.4 in² E = 15 X 10 psi

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Knowing that a 0.02-in. gap exists when the
temperature is 75°F, determine (a) the temperature at
which the normal stress in the aluminum bar will be
equal to -11 ksi, (b) the corresponding exact length of
the aluminum bar.
0,02 in.
14 in.
18 in.
Bronze
Alminum
A = 2.4 in²
E = 15 × 10* psi
a = 12 × 10-6/°F
A = 2.8 in.²
E = 10,6 X 10°
a = 12.9 × 10-6/°F
"psi
Transcribed Image Text:Knowing that a 0.02-in. gap exists when the temperature is 75°F, determine (a) the temperature at which the normal stress in the aluminum bar will be equal to -11 ksi, (b) the corresponding exact length of the aluminum bar. 0,02 in. 14 in. 18 in. Bronze Alminum A = 2.4 in² E = 15 × 10* psi a = 12 × 10-6/°F A = 2.8 in.² E = 10,6 X 10° a = 12.9 × 10-6/°F "psi
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