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What is the length of an aluminum rod at 65°C if its length at 15°C is 1.2 meters?

Heather Maxwell

in Physics

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James Washington on August 16, 2018

Answer:The new length is 1.20138 mExplanation:1 - We find the increase in length:The length of age = 1.2 mThe coefficient of expansion of aluminium is 23 * 10⁻⁶ /K. The age of the temperature is 15°C. The new temperature of 65°Cthe increase in length= length of age * coefficient of expansion *change in temperature the increase of The length = 1.2 * 23 * 10⁻ ⁶ * (65-15)the increase in length = 0.00138 m2 - obtaining the new length:new length = length of age + increase in lengthnew length = 1.2 + 0.00138 new length = 1.20138 mHope this helps :)


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