# A rectangular wooden block of weight W floats with exactly one-half of its volume below the waterline. (Figure 1)

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### A rectangular wooden block of weight W floats with exactly one-half of its volume below the waterline. (Figure 1) 1.What is the buoyant force acting on the block? 2.The density of water is 1.00 g/cm3. What is the density of the block? 3. Masses are stacked on top of the block until the top of the block is level with the waterline. This requires 20 g of mass. What is the mass of the wooden block? 4. The wooden block is removed from the water bath and placed in an unknown liquid. In this liquid, only one-third of the wooden block is submerged. Is the unknown liquid more or less dense than water? 5. What is the density of the unknown liquid Ïunknown?

The Correct Answer is

1. W2. 0.50 g/cm33. 20g4. more dense5. 1.5 g/cm3

### Reason Explained

1. W2. 0.50 g/cm33. 20g4. more dense5. 1.5 g/cm3 is correct for A rectangular wooden block of weight W floats with exactly one-half of its volume below the waterline. (Figure 1)