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A steel girder is 32.10 m at 20.°C. If the temperature drops to 5.0°C, what is the length of the girder? Answer to 2 decimal places. ----------- This is the answer XXXXXXXXXXm) but i don't know how...

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A steel girder is 32.10 m at 20.°C. If the temperature drops to 5.0°C, what is the length of the girder? Answer to 2 decimal places.
-----------
This is the answer XXXXXXXXXXm)
but i don't know how did we get the 32.09m what is the process ?
Answered Same Day Dec 21, 2021

Solution

David answered on Dec 21 2021
133 Votes
A steel girder is 32.10 m at 20.°C. If the temperature drops to 5.0°C, what is the length of the girder?
Answer to 2 decimal places.
-----------
This is the answer (32.09 m)
ut i don't know how did we get the 32.09m what is th
dl = L0 · α · (t1 - t0) (1)
where
dl = change in...
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