B. (4 points) For your science exhibit, you want to make a block of wood float at the interface between a layer of oil of unknown density poil, and water (pwater = 1000 [kg/m³]) inside a container as shown. The density of the wood is pwood = 800 [kg/m³]. What must be the density of the oil so that only 30.0% of the wood is submerged in Oil water? wood water
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