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Projectiles Up Incline

  1. Sep 29, 2006 #1
    I have my two expressions for time for (b) and (c) but I'm not sure how to use them to get the angles or values for initial velocity.

    (b)[tex]t = \frac{2v_i\sin \beta}{g \cos \alpha}[/tex]
    (c)[tex]t = \frac{v_i cos \beta}{g \sin \alpha}[/tex]
    Last edited: Sep 29, 2006
  2. jcsd
  3. Sep 29, 2006 #2
    hmm....i have yet to try the question but looks interesting....IF we were to assume angle alpha-beta to be zero which means the projectile is on a flat ground,does tt mean tt when the projectile hits the ground,Vy=0?
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