Thank you for visiting A copper rod of length 27 5 m has its temperature increased by 35 9 degrees Celsius How much does its length increase unit m. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Answer:0.01678325m
Explanation:
Original length(L1)=27.5m
Temperature rise(@)=35.9°C
Linear expansivity(α)=0.000017
Length increase(L)=?
L=α x L1 x @
L=0.000017 x 27.5 x 35.9
L=0.01678325m
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Rewritten by : Jeany
The increase in length = 1.87 x 10⻲
Explanation:
When copper rod is heated , its length increases
The increase in length can be found by the relation
L = Lâ‚€ ( 1 + α ΔT )
here L is the increased length and Lâ‚€ is the original length
α is the coefficient of linear expansion and ΔT is the increase in temperature .
The increase in length = L - Lâ‚€ = Lâ‚€ x α ΔT
Substituting all these value
Increase in length = 27.5 x 1.7 x 10â»âµ x 35.9
= 1.87 x 10⻲ m
