A Jet Aircraft, in Level Flight at Constant Speed, Is

question 49

Multiple Choice

A jet aircraft, in level flight at constant speed, is observed directly over head. A sonic boom is heard 13.0 s later, at which time the line of sight to the aircraft forms a 51° angle with respect to the horizontal. The speed of sound is 325 m/s. The altitude of the aircraft is closest to

• A) 6700 m.
• B) 5400 m.
• C) 8300 m.
• D) 2700 m.
• E) 13,000 m.

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Definitions:

Profit-maximizing

A strategy or point at which a business makes the greatest financial gain, where marginal revenue equals marginal cost.

Total Revenue

The overall income generated by a business from its sales or services before any costs or expenses are subtracted.

Total Cost

The sum of fixed and variable costs incurred by a firm in producing and selling a product.

Profitable Level

The point at which a company's revenues exceed its costs, leading to financial gain or profit.