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Vertical Component of this Picture?

  1. Nov 13, 2011 #1
    A ball of mass 0.6 kg, initially at rest, is
    kicked directly toward a fence from a point
    20 m away, as shown below.
    The velocity of the ball as it leaves the
    kicker’s foot is 17 m/s at angle of 52◦
    above
    the horizontal. The top of the fence is 7 m
    high. The ball hits nothing while in flight and
    air resistance is negligible.
    The acceleration due to gravity is 9.8 m/s

    What is the vertical component of the velocity
    when the ball reaches the plane of the fence?
    Answer in units of m/s


    I've tried -1.764

    Untitled-1.png

    Problem 20 using picture
     
  2. jcsd
  3. Nov 14, 2011 #2

    BruceW

    User Avatar
    Homework Helper

    You should show your working (preferably with algebraic variables and constants rather than actual numbers), so then we can see how to help.
     
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