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the daily temperature variation of bridge is 20c and length of stell is 2km what is the change in length

the daily temperature variation of bridge is 20c and length of stell is 2km what is the change in length
 

Grade:12th pass

1 Answers

Riddhish Bhalodia
askIITians Faculty 434 Points
5 years ago
for steel
\alpha = 0.000012
and the equation is
\Delta L = L_0 \alpha \Delta T

now we have everything so just find the\Delta L

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