1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Elastic collision find final velocity 8.39

  1. Jun 16, 2008 #1
    A glider of mass 0.147 kg is moving to the right on a frictionless, horizontal air track with a speed of 0.720m/s . It has a head-on collision with a glider 0.309 kg that is moving to the left with a speed of 2.26 m/s. Suppose the collision is elastic. Find the magnitude of the final velocity of the 0.147 glider. Find the magnitude of the final velocity of the 0.309 glider.

    So fa all that I know is that both of the gilders will go in the direction of the left when they coliide. I started my problem thinking that i could add the momentum of the gliders together and go from there but i am haveing trou
    ble sticcking to the plan
     
  2. jcsd
  3. Jun 16, 2008 #2

    rock.freak667

    User Avatar
    Homework Helper

    Collision is elastic so kinetic energy is conserved and so is momentum.
     
  4. Jun 16, 2008 #3
    anything else that can hellp me?
     
  5. Jun 16, 2008 #4

    rock.freak667

    User Avatar
    Homework Helper

    That's all you really need I believe,you'll get two equations with two unknowns and you can solve.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?