1. Limited time only! Sign up for a free 30min personal 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!

Momentum, Impulse

  1. Feb 18, 2010 #1
    1. The problem statement, all variables and given/known data
    A steel ball with mass 0.347 kg falls onto a hard floor and bounces. Its speed just before hitting the floor is 23.6 m/s and its speed just after bouncing is 12.7 m/s. (a) What is the magnitude of the impulse of the ball?

    2. Relevant equations

    3. The attempt at a solution
    Last edited: Feb 18, 2010
  2. jcsd
  3. Feb 18, 2010 #2
    Please take note of the direction of the momenta that you are considering.
  4. Feb 18, 2010 #3
    Would anybody check this new answer?
  5. Feb 18, 2010 #4
    Looks correct to me :)
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook