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What is the work done on the jet by the catapult?

  1. Apr 5, 2008 #1
    A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 2.20 * 10^5 N. In being launched from rest it moves through a distance of 87 m and has a kinetic energy of 4.00 *10^7 J at lift-off. What is the work done on the jet by the catapult?
     
  2. jcsd
  3. Apr 5, 2008 #2

    Hootenanny

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    Welcome to PF coco,

    You are required to show some effort before asking for assistance. What have you attempted thus far?
     
  4. Apr 5, 2008 #3
    no, then what the point then, it hard, o.k
     
  5. Apr 5, 2008 #4

    Hootenanny

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    We don't give out answers here. If you want solutions then you can go somewhere else, but if you want to learn, your more than welcome here.
     
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