wooden log of size 3m×1m×25m is floating in water. the density of wood is 0.09gm/cc. how much thickness of log will be above water.
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Density =mass /volume
given
relativedensity of wooden block is 0.6
we know that rd of obj*d of water=d of obj
density of the object=0.6*1000
=600kgm³
volume =lbh
=2*0.25*0.10=0.05m³
mass =density *volume
mass=600*0.05
=30kg
mass of the block =30kilograms
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