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Homework Help: Finding intial velocity given vertical and horizontal displacement

  1. Oct 11, 2009 #1
    what is the initial velocity when:
    Horizontal displacement= 1.51
    Vertical displacement= -.273
    angle launched= 36
  2. jcsd
  3. Oct 11, 2009 #2
    could someone at least tell me the equations i need to use, because i am totally lost
  4. Oct 12, 2009 #3


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    Homework Helper

    Is there any units for the displacements.
    Do you know, how to resolve the velocity in to vertical and horizontal components?
    Out of this, which component remains constant?
    What are the kinematic equations?
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