What volume of alcohol is displaced by a cork of mass 4.2g which floats in it is how much?

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undetermined

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according to the principle of floatation

weight of the water displaced = weight of substance or object

                                                     =  m x g = (4.2 x 10) = 42 N

VOLUME OF CORK = mass/density =  4.2/0.24 = 17.5 m3

       as volume is also same as the liquid displaced.

therefore, volume of water displaced = 17.5 m3

good luck....

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