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Math Help - bounacy

  1. #1
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    Question bounacy

    what is the upward force on the bottom of an empty underground storage tank caused by a groundwater depth of 5 feet above the tank bottom? the tank is 8 feet wide and 16 feet long.
    help me obi won your my only hope!
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  2. #2
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    This is a Physics problem, I must say. According to the Archimedes Principle, any body immersed in some fluid receives a upward force equal to the weight of the moved fluid. See Buoyancy.

    Considering the tank to be prismal, it moved a voume of water of 5 x 8 x 16 = 640 ft^3 \simeq 18 m^3 = 18.000 l of water. As one liter of water weights aproximately one kg,

    F = 18.000 kgf
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  3. #3
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    Smile thanks

    thank you Mr Almeida, was hoping i could get it in standard
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