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Homework Help: Projectile Motion & Vectors

  1. Jul 4, 2015 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
    I know that the acceleration is downward always with value of 10m/s2
    The answer is D? because j denote vertical axis and negative sign means downward?
  2. jcsd
  3. Jul 4, 2015 #2
    It wouldn't hurt to write down the kinematic equations for the projectile motion in step 2.
  4. Jul 4, 2015 #3


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