A Model Rocket Is Launched from the Ground

question 169

Multiple Choice

A model rocket is launched from the ground. Its height in feet is described by the equation t seconds after launch. When does the rocket hit the ground?

• A) 0 sec
• B) 5.625 sec
• C) 0 or 5.625 sec

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Definitions:

Esophageal

Pertaining to the esophagus, the tube that connects the throat to the stomach, through which food and liquids pass.

Voluntary

Refers to actions or movements performed by an individual that are done with conscious control.

Nasopharynx

The upper part of the pharynx, connecting the nasal cavity above the soft palate to the oropharynx.

Oropharynx

Portion of the pharynx that lies posterior to the oral cavity; it is continuous above with the nasopharynx and below with the laryngopharynx.