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Finding distance and time? i already found out half of the problem.

  1. Oct 3, 2008 #1
    1. The problem statement, all variables and given/known data
    A baseball is seen to pass upward by a window 21 m above the street with a vertical speed of 14 m/s. The ball was thrown from the street.

    i already found out that initial speed is 24.65806156 and it passed the window after 1.086442406 s.
    so, i need to figure out:

    What altitude does it reach?
    and
    After how many more seconds does it reach the street again?

    2. Relevant equations
    i dont know.


    3. The attempt at a solution
    i tryed using the distance formula with my knowns but it i cant get the right answer.

    i really need help, this homework is due in a few hours : /
     
  2. jcsd
  3. Oct 3, 2008 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Show what you tried. (How did you solve for the initial speed? A similiar method can be used.)
     
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