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!

Inelastic or elastic collision?

  1. Oct 9, 2006 #1
    A 4.0 kg firework is tossed onto a hockey rink. As it slides, it explodes into exactly two 2 kg pieces. There is an x-y coordinate system painted under the ice. One part of the exploded firework has velocity 3.0 m/s along the y direction. The other part has a velocity of 5.0 m/s at an angle of +30 degrees relative to the x-axis.
    (a) What is the original speed of the firework on the ice (before the explosion)

    My biggest question is that in order to solve this problem should I treat it as an inelastic collision or any collision for that matter? Since technically there is no collision, just an explosion.
     
  2. jcsd
  3. Oct 9, 2006 #2

    Doc Al

    User Avatar

    Staff: Mentor

    You need to decide what's conserved and what's not. What do you think?
     
  4. Oct 9, 2006 #3
    I was thinking it was elastic.
     
  5. Oct 9, 2006 #4
    seriously any help on this problem is appreciated.
     
  6. Oct 10, 2006 #5

    Doc Al

    User Avatar

    Staff: Mentor

    Answer my question: What's conserved and what's not conserved?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Inelastic or elastic collision?
Loading...