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Homework Help: Tennis ball trajectory

  1. Sep 4, 2013 #1
    1. How to get x,y positions for a tennis ball at each time t given total force exerted?

    2. We consider Drag force D, Lift Force L and Gravitation force W

    as described in
    http://www.physics.usyd.edu.au/~cross/TRAJECTORIES/42. Ball Trajectories.pdf

    where v, speed; w, angular speed;R, radius;d, density;m, mass

    3. I suppose we need to integrate force twice on time t for Fx and Fy given a Serve Angle Ro and Serve Speed vi, but how?
  2. jcsd
  3. Sep 5, 2013 #2


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    As far as I am aware, there is no analytic solution for 2D motion with drag.
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