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A hemispherical tank is filled with water and has a diameter of 13 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound? |
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Answer» Answer: We KNOW that the volume of a sphere is: V=43πr3 where r=102=5ft is the RADIUS: we need half of this, so we use: V2=23πr3=261.8ft3 giving a total weight of WATER of W=261.8⋅62.4=16,336 POUNDS |
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