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The United States possesses the eight largest warships in the world—aircraft carriers of the Nimitz class—and are building two more. Suppose one of the ships bobs up to float 11.0 cm higher in the water when 50 fighters take off from it in 25 min, at a location where the free-fall acceleration is 9.78 m/s2. Bristling with bombs and missiles, the planes have average mass 29 000 kg. Find the horizontal area enclosed by the waterline of the $4-billion ship. By comparison, its flight deck has area 18 000 m2. Below decks are passageways hundreds of meters long, so narrow that two large men cannot pass each other. |
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