2.58 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. ਕਰ Bronze A = 2.4 in² E-15 x 105 psi a = 12 x 10-6/°F Aluminum A = 2.8 in² E = 10.6 x 105 psi a= 12.9 × 10-5/°F

Structural Analysis
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Chapter2: Loads On Structures
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2.58 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.
ਕਰ
Bronze
A = 2.4 in²
E-15 x 105 psi
a = 12 x 10-6/"F
Aluminum
A = 2.8 in²
E = 10.6 x 105 psi
a = 12.9 × 10-5/"F
Transcribed Image Text:2.58 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. ਕਰ Bronze A = 2.4 in² E-15 x 105 psi a = 12 x 10-6/"F Aluminum A = 2.8 in² E = 10.6 x 105 psi a = 12.9 × 10-5/"F
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