A Block of Wood of Mass 300 G and Density

question 35

Multiple Choice

A block of wood of mass 300 g and density 0.75 g/cm³ is floating on the surface of a liquid of density 1.1 g/cm³.What mass of lead (density = 11.3 g/cm³) must be added to the block in order for the combination just to be submerged?

• A)440 g
• B)820 g
• C)140 g
• D)155 g
• E)none of the above

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