A cubical block of wood `10 cm` along each side floats at the interface between an oil and water with its lowest surface `2cm` below the interface. If the height of oil and water columns are `10 cm` each and `rho_("oil")=0.8g/"cc",` find a the mass of the block, b. the liquid pressure at the lower surface of the block.
Text Solution
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To solve the problem, we will break it down into two parts: finding the mass of the block and calculating the liquid pressure at the lower surface of the block.
### Part (a): Finding the Mass of the Block
1. **Identify the dimensions and submerged volume**:
- The block is a cube with a side length of 10 cm.
- The lowest surface of the block is submerged 2 cm in water and 8 cm in oil.
- The area of the base of the block (cross-section) is:
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