The increase in length of an aluminum rod is twice the increase in length of an Invar rod with only a third of the temperature increase. Find the ratio of the lengths of the two rods.

the ratio of lengths of the two rods, Aluminum to Invar is 11.27

Step-by-step explanation:

coefficient of linear expansion of aluminum,

Coefficient of linear expansion of Invar,

Linear thermal expansion is given as;

The increase in length of Invar is given as;

The increase in length of the Aluminum;

Therefore, the ratio of lengths of the two rods, Aluminum to Invar is 11.27

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step-by-step explanation:

13cm

step-by-step explanation:

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