At 15c the height of eifel tower is 324m if it is made of iron what will be the increase in length in cm, at 30c?
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Answer:
648m
Explanation:
324/15×x/30
15x=324×30
x= 324×30/15
x= 648
Similar questions
Temperature coefficient of linear expansion of iron =11.5×10−6C−1
Change in temperature =30∘C−15∘C=15∘C
Change in length =Δl
Using formula for linear expansion of solids, we have
lΔl=αlΔT
⇒32400Δl=11.5×10−6×15
Δl=32400×11.5×10−6×15=5.6cm