Two Balls of Equal Size Are Dropped from the Same

question 50

Multiple Choice

Two balls of equal size are dropped from the same height from the roof of a building. One ball has twice the mass of the other. When the balls reach the ground, how do the kinetic energies of the two balls compare?

• A)The lighter one has one fourth as much kinetic energy as the other does.
• B)The lighter one has one half as much kinetic energy as the other does.
• C)The lighter one has the same kinetic energy as the other does.
• D)The lighter one has twice as much kinetic energy as the other does.
• E)The lighter one has four times as much kinetic energy as the other does.

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Definitions:

Nineteenth Century

The period from January 1, 1801, through December 31, 1900, marked by significant industrial, cultural, and political changes worldwide.

Oligopoly

A market structure characterized by a small number of large firms that dominate the market, often leading to limited competition.

Railroads

Transportation systems consisting of tracks on which trains travel to carry goods and passengers over long distances.

Nineteenth Century

The period from January 1, 1801, to December 31, 1900, marked by major social, economic, and technological changes worldwide.