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#17  Well if you want to know how much water is abosrbed by the wood, take the mass before it is submerged and after...subtract the masses and you have the mass of water and then since at standart temp and pressure pure water is 1g/ ml you could multiply that out to find ml of water in the wood... If i were you though, I'd just do simple water displacement though, you're looking at small error values that are inevitable any way you do it, you're probably just over-thinking :P |
09-19-2007, 06:40 AM
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| Recognized Member  | I remember doing this... MASS: When an object floats, the mass of the water it displaces is equal to its own mass. Note: The density of water is 1 g/cm3. Mass of Water = D x V =1 g/cm3 x Volume displaced (1mL = 1 cm3) = Mass of object VOLUME: When an object SINKS, the volume of the water it displaces is equal to its own volume. (When two objects are equal in size, this is also the volume of the object that floats) You have M and V, substitute to find D |
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09-20-2007, 03:29 PM
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