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Thread: Help me please

  1. #1 Help me please 
    Forum Freshman taxpo's Avatar
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    Who can help me with this ?

    The firt train was runing 36km/h after 30 minutes the second train starts runing with 72km/h

    1) Write it graficality or (coordinate)?

    2) After how much time the secont train arrive the first train?

    3) After how many metters the second train arrive the first train?

    I know a little about this we need to find the "t" (time) and "S"

    please HELP me as soon as possible


    l=l0[1+α(t-t0)]
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  3. #2  
    Forum Freshman Draculogenes's Avatar
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    i'd love to help you. unfortunately there is no defined distance with which to compare "arrival times". I think your text book is flawed and you should go burn it.


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  4. #3  
    Forum Isotope Zelos's Avatar
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    2) After how much time the secont train arrive the first train?
    18km + 36km/h * T = 72km/h * T
    now solve it algebraic
    I am zelos. Destroyer of planets, exterminator of life, conquerer of worlds. I have come to rule this uiniverse. And there is nothing u pathetic biengs can do to stop me

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  5. #4  
    Forum Freshman taxpo's Avatar
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    I've find it but thnx very much for your help

    by the way I addedyou zelos on msn did you acceptme (heheh)

    :wink: :wink:
    l=l0[1+α(t-t0)]
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