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:

Positive Supply

A situation in which the quantity of goods or services offered for sale increases as the price increases, adhering to the law of supply.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity of the good that consumers are willing and able to purchase at various prices.

Plaster

A building and sculpting material made from a mixture of water, gypsum, and sometimes fibers, used for coating walls and ceilings.

Labor

The physical and mental effort expended by individuals in the production of goods and services as part of an economy.