The Exterior of a Supersonic Airplane Is Made of Aluminum,which

question 44

Multiple Choice

The exterior of a supersonic airplane is made of aluminum,which has a coefficient of linear expansion of 24 × 10^-6 K^-1.At 15°C,the plane measures 62.1 m in length.When the plane is in flight,friction with the air increases the temperature of the exterior skin to 200°C.What is the change in the length of the outer skin of the plane?

• A)20 cm
• B)24 cm
• C)28 cm
• D)32 cm
• E)36 cm

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Definitions:

Fixed Asset Turnover

A financial efficiency ratio that measures how well a company utilizes its fixed assets to generate sales.

Financial Statements

Formal records of the financial activities and position of a business, person, or other entity.

Stock Market

A public market for buying, selling, and issuing shares of publicly held companies, serving as a critical mechanism for price discovery and capital allocation.

Leverage Ratio

A financial metric used to measure the degree of a company's debt compared to its assets, equity, or operational cash flow.