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Grrr gravity

  1. Nov 22, 2006 #1
    grrr.... gravity

    A rocket is launched straight up from the earth's surface at a speed of 1.90×104 . What is its speed when it is very far away from the earth?
    plugging everything into the energy conservation theorem i came up with the exact same speed... i'm not sure what i'm doing wrong.
     
  2. jcsd
  3. Nov 22, 2006 #2

    berkeman

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    Staff: Mentor

    What are your units? Show us the work you've done so far so we can help.
     
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