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Tangent and normal acceleration, curvature radius

  1. Apr 23, 2008 #1
    What exactly are the tangent and the normal accelerations of a projectile motion and how are they expressed mathematically?

    What is curvature radius? What is its expression? How is it derived ?
  2. jcsd
  3. Apr 23, 2008 #2
    I'd look at a calclus book. You're asking too much here.
  4. Apr 23, 2008 #3

    Doc Al

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    Staff: Mentor

    At any given instant the projectile's acceleration can be expressed in terms of its components parallel (tangential) and perpendicular (normal) to its velocity.
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