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Stuck with an acceleration problem

  1. May 14, 2013 #1
    I know this is quite simple question.
    An object has an into all velocity of 50m/s it's traveling straight up. Assume g=-10m/s^2 how long does it take to go up and down?

    I put these numbers into x=1/2at^2+vi*t but I still have 2 variables. X and T. Idk what to do.
     
  2. jcsd
  3. May 14, 2013 #2

    rock.freak667

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    Well what does the variables x and t define? Which one would you like to solve?

    Hint: If you start and end at the same position, your displacement is zero.
     
  4. May 14, 2013 #3
    Oh jeez.. Thank you. This is just a step in a bigger problem and I forgot how to do this part. Thank you rockfreak!
     
  5. May 15, 2013 #4

    SteamKing

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    an into all = initial Must be some sorta code
     
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