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True or false double check

  1. Feb 1, 2008 #1
    1. The problem statement, all variables and given/known data
    A projectile is fired at some angle theta to the horizontal with some initial speed vi, and air resistance is neglected. Which statements about the projectile are true? (Select all that apply.)

    True The projectile is a freely falling body.
    True Vertical acceleration is 9.8 m/s2, downward.
    False Vertical acceleration is 9.8 m/s2, upward.
    False Vertical acceleration depends on theta.
    True Horizontal acceleration is zero.
    False Horizontal acceleration depends on vi.
    False Horizontal acceleration depends on theta .

    Could someone please double check my answers and see if I went wrong somewhere.
     
  2. jcsd
  3. Feb 1, 2008 #2
    I would say that vertical acceleration depends on your definition of coordinate system, but your answers are correct.
     
  4. Feb 1, 2008 #3
    Thanks, Mindscrape.
     
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