What is the lenght of an aluminum rod at 65 degrees celsius if its length at 15 degrees celsius is 1.2 meters?

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What is the lenght of an aluminum rod at 65 degrees celsius if its length at 15 degrees celsius is 1.2 meters?

2006-11-10 01:43:57 · 3 answers · asked by tanesha l 1 in Science & Mathematics ➔ Physics

3 answers

The coefficient of expansion of aluminium is 2.4 x 10^-5 / degree C
The expansion factor is therefore 1 + (65-15) x 2.4 x 10^-5 = 1.001
Therefore the expansion is 1.15 mm

2006-11-10 02:47:18 · answer #1 · answered by cordefr 7 · 0⤊ 0⤋

delta L = alpha*L*delta T

alpha, the coefficient of linear expansion, is 23*10^-6/degreeC

2006-11-10 14:36:09 · answer #2 · answered by sojsail 7 · 0⤊ 0⤋

???? i dont do math

2006-11-10 09:45:37 · answer #3 · answered by Anonymous · 0⤊ 1⤋