An Astronaut Drops a Marble on the Surface of Mars

question 9

Multiple Choice

An astronaut drops a marble on the surface of Mars and observes that it takes 1.02 s for the marble to fall 2.00 m. She also knows that the radius of Mars is 3.39 × 10⁶ m and that G = 6.67 x 10^-11 N·m²/kg². From this information, she can conclude that the mass of Mars is

• A) 3.30 × 10²³ kg.
• B) 6.62 × 10²³ kg.
• C) 4.62 × 10²³ kg.
• D) 8.09 × 10²³ kg.
• E) 9.95 × 10²³ kg.

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Definitions:

Laon's Nave Elevation

Refers to the design and structure of the central nave's vertical sections in the Laon Cathedral, a prime example of early Gothic architecture in France.

Gallery of the King

A specific section or room within a museum, palace, or larger institution dedicated to showcasing works of art or historical objects associated with royalty.

Triforium

In a Gothic cathedral, the blind arcaded gallery below the clerestory; occasionally, the arcades are filled with stained glass.

Rounded Nave Arcade

Architectural feature common in Romanesque churches, consisting of a series of rounded arches supported by columns along the nave.