A Plane Is Traveling at Mach 0

question 67

Multiple Choice

A plane is traveling at Mach 0.930 through air at a temperature of 0°C.What is the plane's speed? (Speed of sound at 0°C is 331 m/s. )

• A)308 m/s
• B)331 m/s
• C)424 m/s
• D)93.0 m/s
• E)Mach number is undefined at 0°C.

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Definitions:

Noun Clause

A subordinate clause that functions as a noun within a sentence, acting as a subject, object, or complement.

Direct Object

The noun or noun phrase that receives the action of a transitive verb in a sentence.

Restrictive Clause

A part of a sentence that limits or specifies the meaning of its subject and is essential to its structure, often introduced by "that," "who," or "which."

Nonrestrictive Clause

A clause that adds extra information to a sentence but is not essential to understand its main point.