In a Real Collision

question 61

Multiple Choice

In a real collision,

• A)kinetic energy is conserved.
• B)linear momentum is conserved in the absence of external forces.
• C)both momentum and kinetic energy are conserved.
• D)neither momentum nor kinetic energy is conserved.
• E)the extent to which momentum and kinetic energy are conserved depends on the coefficient of restitution.

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Definitions:

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A colorless volatile flammable liquid that is the intoxicating constituent of wine, beer, spirits, and other drinks, and used as an industrial solvent and as fuel.

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An agency established by the U.S. government during World War I aimed at swaying public sentiment and bolstering backing for the war through the use of propaganda.

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A journalist and political figure who was appointed to head the U.S. Committee on Public Information during World War I, playing a significant role in the propaganda efforts to support the war among the American people.