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

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cocotown22
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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?
 
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Welcome to PF coco,

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cocotown22 said:
no, then what the point then, it hard, o.k
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.