A beaker contains a thick layer of oil floating on water. A cubical block of wood is gently lowered into the beaker, so as not to disturb the layers of liquid, until it floats peacefully between the layers, as shown.
a) What is the distance between the top of the wood cube (after it has come to rest) and the interface between the oil and water?
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This solution solves for d by rearranging equations in eight steps. The solution is attached in two files. The files are identical in content, only differ in format. The first is in MS Word XP format, while the other is in Adobe .pdf format.