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------------------------------------------------ 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)

Answer :

Answer:0.01678325m

Explanation:

Original length(L1)=27.5m

Temperature rise(@)=35.9°C

Linear expansivity of copper(α)=0.000017

Length increment(L)=?

L=α x L1 x @

L=0.000017 x 27.5 x 35.9

L=0.01678325m

Answer:

0.0168

Explanation:

Remember about significant digits (there must be 3)

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