Recent content by un_cooled

  1. U

    What Is the Initial Velocity Required for a Cannonball to Hit a Moving Target?

    actually, I'm not sure about the equations that I used.
  2. U

    What Is the Initial Velocity Required for a Cannonball to Hit a Moving Target?

    Yf = Yi + Vi(t) + (1/2)(gt^2) Xf = Xi + Vi(t) + (1/2)(gt^2) Yf = final position (y-axis) Xf = final position (x-axis) Vi = initial velocity t = time g = gravitational pull
  3. U

    What Is the Initial Velocity Required for a Cannonball to Hit a Moving Target?

    Homework Statement A cannon which is at the top of a 99 m high cliff fires in a horizontal direction to a dog. The initial position of the dog is 1000 m from the cliff's base. What should be the initial velocity of the cannon if the dog is moving at constant speed of 9 m/s to the cliff...
  4. U

    What Happens to Percent Error as the Number of Vectors Increases?

    Homework Statement What will happen to the percent error of graphical or force table method as the number of vectors to be added increases? Give proof. 3 vectors A = 400 g B = 450 g C = 427 g Homework Equations The Attempt at a Solution First, I computed for the percent...
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