Knowing that a 0.02in 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 -11ksi, (b) the corresponding exact length (2 decimal places in 103 inches) of the aluminum bar. 0.02 in. 14 in. Bronze A = 2.4 in² E = 15 × 106 psi a = 12 x 10-6/°F 18 in. Aluminum A = 2.8 in² E = 10.6 × 106 psi a = 12.9 x 10-6/°F

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Knowing that a 0.02in 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 -11ksi, (b) the corresponding exact length (2 decimal places in 103 inches) of the aluminum bar.
0.02 in.
14 in.
Bronze
A = 2.4 in²
E = 15 × 106 psi
a = 12 x 10-6/°F
18 in.
Aluminum
A = 2.8 in²
E = 10.6 × 106 psi
a = 12.9 x 10-6/°F
Transcribed Image Text:Knowing that a 0.02in 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 -11ksi, (b) the corresponding exact length (2 decimal places in 103 inches) of the aluminum bar. 0.02 in. 14 in. Bronze A = 2.4 in² E = 15 × 106 psi a = 12 x 10-6/°F 18 in. Aluminum A = 2.8 in² E = 10.6 × 106 psi a = 12.9 x 10-6/°F
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