A Spherical Ball of Lead $\text { (density } 11.3 \mathrm {~g} / \mathrm { cm } ^ { 3 } \text { ) }$

question 57

Multiple Choice

A spherical ball of lead $\text { (density } 11.3 \mathrm {~g} / \mathrm { cm } ^ { 3 } \text { ) }$ is placed in a tub of mercury $\left( \text { density } 13.6 \mathrm {~g} / \mathrm { cm } ^ { 3 } \right)$
Which answer best describes the result?

• A) The lead ball will float with about 17% of its volume above the surface of the mercury.
• B) The lead will sink to the bottom of the mercury.
• C) The lead ball will float with about 83% of its volume above the surface of the mercury.
• D) The lead ball will float with its top exactly even with the surface of the mercury.

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