When Vector Is Added to Vector

question 16

Multiple Choice

When vector
Is added to vector
,which has a magnitude of 5.0,the vector representing their sum is perpendicular to
And has a magnitude that is twice that of
) What is the magnitude of
?

• A)2.2
• B)2.5
• C)4.5
• D)5.0
• E)7.0

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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.