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Homework Help: Finding time and initial velocity of a vertically displaced launch

  1. Jan 9, 2014 #1
    1. The problem statement, all variables and given/known data
    A projectile is launched 0.635 m above the ground at an angle of 72.2°. It lands on the ground 1.64 m away

    2. Relevant equations

    3. The attempt at a solution

    Ive tried so many different equations and have looked up different ways, but I just don't know what I'm doing anymore
  2. jcsd
  3. Jan 9, 2014 #2


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    Staff Emeritus
    Science Advisor
    Homework Helper

    We don't know what you've tried either. If you post your work, it would help us to see where you've gone wrong.

    In any event, draw a sketch of your problem and use the standard motion equations.
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