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Parabolic Motion of a projectile

  1. Jan 2, 2010 #1
    The problem statement, all variables and given/known data

    I'm trying to find a equation that will connect a object that is thrown to form a parabolic motion of a projectile. What I want to be able to sub it in is maxheight and displacement covered by the projectile

    2. Relevant equations

    I don't really know, maybe vi = vf + a*t?

    3. The attempt at a solution

    Went to google equations of it and some other sites, I won't list them all here because I searched almost all the sites.

    http://www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Vectors/ProjectilesMotion.html [Broken]
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Jan 2, 2010 #2


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    Gold Member

    So you want to be able to say simply it's maximum height and its distance covered and find out its initial velocity and direction? Or the other way around?
  4. Jan 2, 2010 #3
    The maximum height and distance user inputted. Find initial velocity. Direction is calculated already.
  5. Jan 2, 2010 #4
    Do you mean using R={v_i^2\sin2\theta_i\over g} and h={v_i^2\sin^2\theta_i\over 2g} to get v_i ?
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