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    taiyeba's Avatar
    taiyeba Posts: 6, Reputation: 1
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    #1

    Mar 15, 2009, 08:08 AM
    Thermal expansion
    On heating why aluminium rod expands more than steel rod?:
    sarnian's Avatar
    sarnian Posts: 462, Reputation: 9
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    #2

    Mar 15, 2009, 08:29 AM
    Hello taiyeba

    This is caused by the linear expansion coefficient of different metals (follow this link for more information).

    The expansion is related to the binding energy within the atom, and that amount differs for every element.
    taiyeba's Avatar
    taiyeba Posts: 6, Reputation: 1
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    #3

    Mar 16, 2009, 07:34 AM

    Thanks sarnian.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Mar 16, 2009, 07:54 AM

    The answer you have been given is correct. However, if you are needing help with homework you will attract more answers by posting in homework help under the education thread.
    sarnian's Avatar
    sarnian Posts: 462, Reputation: 9
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    #5

    Mar 17, 2009, 03:56 AM
    ballengerb1

    But this is the homeworkhelp board...
    Has the topic been moved there?
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
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    #6

    Mar 17, 2009, 08:42 AM

    Yes it was moved, I do not recall where it was originally posted but it wasn't in the education thread, I think maybe science. Although this is a science question it appears to be mostly someone seeking help with homework.
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