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84. We take absolute values of Eq. 189 and Eq. 1225:

a
n
d
.
FL
LL
T
E
AL
Δ
Δ= Δ
=
α
The ultimate strength for steel is (
F
/
A
)
rupture
=
S
u
= 400
×
10
6
N/m
2
from Table 121.
Combining the above equations (eliminating the ratio
Δ
L
/
L
), we find the rod will rupture
if the temperature change exceeds
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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