Recent content by i_linn

  1. I

    Projectile motion rifle question

    well nevermind I worked it out again and got the right answer still don't really understand the solution though
  2. I

    Projectile motion rifle question

    OK so possibly it is the book that's wrong and not me because using that equation I got y=4.905cm but the answer online is Number 5.056439020552 Units cm I also used the books solution which is and using my numbers I still get the 4.905 so I am pretty confused
  3. I

    Projectile motion rifle question

    What I am unsure about is do they want you to angle the rifle a certain amount of cm and have a parabolic type trajectory or actually raise it up and have the bullet fall to the target. And by simplify the equation I am guessing you mean that (y-y0) would be equal to 0 becuase it is landing at...
  4. I

    Projectile motion rifle question

    Homework Statement A rifle that shoots bullets at 442 m/s is to be aimed at a target 44.9 m away. If the center of the target is level with the rifle, how high (in cm) above the target must the rifle barrel be pointed so that the bullet hits dead center? Homework Equations y-y0 =...
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