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B Where is the gravitational potential energy?

  1. Dec 4, 2017 #1
    Capture.PNG I
    am confused on where the gravitational potential energy is in this solution. Thank you
     
  2. jcsd
  3. Dec 4, 2017 #2

    Doc Al

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    Staff: Mentor

    Note that they are talking about the KE of the projectile immediately after it leaves the gun. You still need to consider gravitational PE if you want to find the KE at other points. (They are ignoring the small change in height of the projectile as it travels through the gun.)
     
  4. Dec 4, 2017 #3
    ok. thank you very much. I was accounting for the small change in height
     
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