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Homework Help: Please help ! Physics Qyestion

  1. Nov 17, 2009 #1
    Please help!!!!!! Physics Qyestion!!!!!

    1. A 145g baseball is dropped from a tree 13.0m above the ground. Using a conservation of energy method, find the speed of the ball just as it hits the ground. Ignore air resistance.



    2. Sum Of Ei = Sum Of Ef. That is about as far as i got.



    3. I don't know where to start!!!!
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Nov 17, 2009 #2

    kuruman

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    Re: Please help!!!!!! Physics Qyestion!!!!!

    Can you find expressions for the initial and final energies? What is each term the sum of?
     
  4. Nov 18, 2009 #3
    Re: Please help!!!!!! Physics Qyestion!!!!!

    Ok thanks i got it now!!
     
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