In 1851 Jean Bernard Leon Foucault Demonstrated the Rotation of the Earth

question 42

Multiple Choice

In 1851 Jean Bernard Leon Foucault demonstrated the rotation of the earth using a pendulum 11.0 m long, which was set up in the Paris Observatory. How long would it have taken for Foucault's pendulum to make one complete swing back to its starting point if $g = 9.81 \mathrm {~m} / \mathrm { s } ^ { 2 }$ at the observatory?

• A) 5.63 s
• B) 2.58 s
• C) 2.12 s
• D) 1.79 s
• E) 6.65 s

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Definitions:

Patriarchal

Relating to a social system where men hold primary power and predominate in roles of political leadership, moral authority, social privilege, and control of property.

Matriarchal

A social system in which women hold primary power, typically in roles of political leadership, moral authority, social privilege, and control of property.

Monarchical

Pertaining to a monarchy, a form of government in which a single figure, the monarch, acts as the head of state within the parameters of a constitution or laws.

Hierarchical Society

A society in which individuals or groups are ranked one above the other based on status or authority.