Recent content by kitle545

  1. K

    Solving Projectile Motion: Horizontal & Vertical Distances

    Homework Statement A projectile is fired at an angle of 60 degrees above the horizontal with an initial speed of 300 m/s. Calculate A) the horizontal distance traveled and B) the vertical height attained in the first 6 s. Homework Equations The Attempt at a Solution I did...
  2. K

    What is the limit of the square root of a polynomial as x approaches infinity?

    The square root sign is over the (8x^3 + 5x + 10)
  3. K

    What is the limit of the square root of a polynomial as x approaches infinity?

    Homework Statement lim (SQRT (8x^3 + 5x + 10) ) / x^2 x -> infinity Homework Equations The Attempt at a Solution I tried factoring out x^3, but that didn't help anything.
  4. K

    Limit of sec(x) as x goes to pi/2, does the limit exist?

    Homework Statement lim sec(x) x-> pi/2 from the left Homework Equations The Attempt at a Solution I wasn't quite sure where to start. I know sec is 1/cos. Does the limit not exist?
  5. K

    Freefall: Solving Questions with Initial Velocity of 20 m/s

    I don't know how to do this problem. I feel like I need more information. A ball is thrown upward with an initial velocity of 20 m/s. 1. How long is the ball in the air? 2. How long after release is the ball 15 m above the release point?
  6. K

    True/False question about average velocity

    true/false;explain: the average velocity always equals one-half the sum of initial plus final velocities.
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