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  1. #1
      Eiman
    Jul 2011
    -
    14,750

    :
    ( Newton) 1687 " " 1727 320 . ( (Einstein 1905 ɡ . () 320 .

    :
    : " "
    :
    " ".
    () ɡ .

    : :
    () ( ) ڡ () ( ) (1) ( ) .

    (1)

    () ء (2) ɡ .

    (2)
    : :
    ҡ A (3). B (3).
    (85.5 ) (20.9 ) .


    (3)
    (0.16 ) (534.37 / ) (130.62 / ) . (4). (16.68% ) (5.77% ) ( ) ( ) (85 ):
    = X
    = X( )2 X


    (4)
    = (4.9)X (0.73)2 X (534.37)
    = 1395
    = (14.17) X (0.86)2 X (130.62)
    = 1369


    : :
    . ( ) . (5) () .


    (5)

    :
    ( ) ( ) ͡ ( ) ( ) ǡ ( ) .
    :
    .......

  2. #2

    Jul 2011
    -
    15,678

    :

    Thank You Eiman
    refresh refresh


  3. #3
      Eiman
    Jul 2011
    -
    14,750

    :

    .......

  4. #4

    Aug 2011
    2,846

    :

    Thank you so much



  5. #5

    Jul 2011
    -
    716

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  6. #6

    Jul 2012
    5,302

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