Results 1 to 2 of 2

Math Help - Calc 3 - A projectile is fired with initial speed 500 ...

  1. #1
    Junior Member
    Joined
    Sep 2008
    Posts
    33
    Thanks
    1

    Calc 3 - A projectile is fired with initial speed 500 ...

    A projectile is fired with an initial speed of 500 m/s and angle of elevation 30.

    Find
    a) the rangle of the projectile
    b) the maximum height reached
    c) the speed at impact

    Help!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Apr 2008
    Posts
    1,092
    You need to break up the velocity into horizontal and vertical components. Also remember that the vertical component will be affected by gravity.

    a. In order to calculate the range, you need to know when the projectile hits the ground, using the vertical component of position. Then substitute this value for t into the equation for the horizontal component of position.

    b. Find out when the vertical component of velocity is equal to zero and substitute this value for t into the equation for the vertical component of position.

    c. Combine the vertical and horizontal components of velocity for the t you calculated in part a. Or by symmetry, determine that the answer is 500 m/s.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Projectile fired at 30 angle
    Posted in the Math Topics Forum
    Replies: 1
    Last Post: April 5th 2011, 10:38 AM
  2. Initial speed and time
    Posted in the Math Topics Forum
    Replies: 3
    Last Post: February 6th 2011, 07:17 PM
  3. Replies: 2
    Last Post: December 29th 2009, 08:25 AM
  4. Initial velocity of projectile launced from above origin
    Posted in the Advanced Applied Math Forum
    Replies: 1
    Last Post: July 30th 2009, 03:50 AM
  5. find initial speed
    Posted in the Advanced Applied Math Forum
    Replies: 5
    Last Post: September 16th 2008, 06:36 PM

Search Tags


/mathhelpforum @mathhelpforum