Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Work and Engery Physics Question?

  1. Jan 17, 2008 #1

    J03

    User Avatar

    Work and Engery Physics Question???

    1. The problem statement, all variables and given/known data
    A ball is thrown up at 21m/s from a 19meter high window. What will be the ball's speed at impact with the ground?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jan 17, 2008 #2

    Tom Mattson

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Pretty darn fast. :biggrin:

    Ok now seriously, let's see what you've got so far. Think conservation of energy.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook