ch18-p080 - 80. If the window is L1 high and L2 wide at the...

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80. If the window is L 1 high and L 2 wide at the lower temperature and L 1 + Δ L 1 high and L 2 + Δ L 2 wide at the higher temperature then its area changes from A 1 = L 1 L 2 to () ( ) 211 2 21 2 1 2 2 1 ALL LLL L L L L L =+ Δ + Δ≈ + Δ + Δ where the term Δ L 1 Δ L 2 has been omitted because it is much smaller than the other terms, if the changes in the lengths are small. Consequently, the change in area is
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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