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Homework Help: Question in dynamics projectile motion

  1. May 26, 2014 #1
    ImageUploadedByPhysics Forums1401144904.496691.jpg

    Attempt solution


    But there is 3 variables!

    Another eq is

    But i did not found any away to solution
  2. jcsd
  3. May 26, 2014 #2
    You posted a sideways picture
  4. May 26, 2014 #3
    Hint: 1. The ball travels on a parabolic path.

    2. If you know the max height of the ball, you can calculate the vertical and horizontal components of initial velocity.

    Or, at least, that's how I managed to do it but there may be a simpler method/formula..
    Last edited: May 26, 2014
  5. May 27, 2014 #4
    I know that ,but i did not konw the maximum H
    The rule is H=(u^2sin^2)/2g
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