A Ball Is Held at a Height H Above a Floor

question 16

Multiple Choice

A ball is held at a height H above a floor. It is then released and falls to the floor. If air resistance can be ignored, which of the five graphs below correctly gives the mechanical energy E of the Earth-ball system as a function of the altitude y of the ball?

• A) I
• B) II
• C) III
• D) IV
• E) V

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Definitions:

Senses

Physiological capacities of organisms that provide data for perception, including sight, sound, taste, smell, touch, and balance.

Vision

Vision pertains to the ability to see, including the process by which light is converted by the eye into electrical signals for interpretation by the brain.

Taste

A sense that allows the detection of flavor, or the aesthetic discernment and appreciation of things.

Hearing

The physiological process by which sound waves are converted into electrical signals that are interpreted by the brain.