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An open barge has the dimensions 22m wide, 40m long, and 12m high. if the barge is made out of 4.0cm thick steel plate on

An open barge has the dimensions 22m wide, 40m long, and 12m high. if the barge is made out of 4.0cm thick steel plate  on each of its four sides and its bottom, what mass of coal can the barge carry in fresh water without sinking?  is there enough room in the barge to hold this amount of coal? ( the density of coal is about 1500kg/m^3)

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