A block of wood floats on water. A layer of oil is now poured on top of the wate

Question

A block of wood floats on water. A layer of oil is now poured on top of the water to a depth that more than covers the block, as shown in Figure 15-30.

(a) Is the volume of wood submerged in water greater than, less than, or the same as before? more wood submerged in water than beforesame amount of wood is submerged in water as beforeless wood submerged in water than before (b) If74% of the wood is submerged in water before the oil is added, find the fraction submerged when oil with a density of721kg/m3covers the block. (Do not neglect the buoyant force of air before the oil is added.) % A block of wood floats on water. A layer of oil is now poured on top of the water to a depth that more than covers the block, as shown in Figure 15-30.

Explanation / Answer

less wood submerged in water than before

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