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The bottom of a steel "boat" is a 5.00 mm ×× 10.0 mm ×× 4.00 cmcm piece of steel (ρsteel=7900kg/m3)(ρsteel=7900kg/m3). The sides are made of 0.480 cmcm -thick steel.

What minimum height must the sides have for this boat to float in perfectly calm water?

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