A Pendulum That Was Originally Erected by Foucault at the Pantheon

question 56

Multiple Choice

A pendulum that was originally erected by Foucault at the Pantheon in Paris for the Paris Exhibition in 1851 was restored in 1995. It has a 28.0 kg sphere suspended from a 67.0-m light cable. If the amplitude of the swing is 5.00 m, what is the maximum speed of the sphere?

• A) 3.57 m/s
• B) 3.65 m/s
• C) 13.1 m/s
• D) 4.16 m/s
• E) 1.91 m/s

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Definitions:

Weathering

Weathering is the process by which rocks, soil, and minerals are broken down by the Earth's atmospheric and biological conditions, such as temperature changes and chemical reactions.

Parent Material

The underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form.

Iron Oxide

A chemical compound made of iron and oxygen, commonly found in rust and various minerals, and used in numerous industrial applications.

Soil Horizon

A layer parallel to the soil surface, whose physical characteristics differ from the layers above and beneath, often classified by distinctive features such as texture and color.