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Homework Help: Please help with a 2d motion problem

  1. Nov 11, 2008 #1
    1. The problem statement, all variables and given/known data
    A baseball is hit at a 45 degree angle and lands at a distance of 98 meters away. What was the initial velocity of the ball?

    2. Relevant equations
    x=ViT - 1/2gt^2

    3. The attempt at a solution
    i havnt made an attempt considering i am extremely lost and do not know where to begin, can anyone give me a hint on where to start?
  2. jcsd
  3. Nov 11, 2008 #2
    A good point to start is to read the textbook and find the right equations. That implies some effort to understand what is going on.
    There is no acceleration on the x direction (assuming that by x you mean the horizontal direction). The acceleration g is along the y (vertical) direction.
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