An Airplane Flying Faster Than the Speed of Sound of 340

question 48

Multiple Choice

An airplane flying faster than the speed of sound of 340 m/s produces a shock wave that makes an angle of 50° with the direction the plane is flying.What is the speed of the plane?

• A) 490 m/s
• B) 530 m/s
• C) 390 m/s
• D) 440 m/s
• E) 405 m/s

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Definitions:

Cost Formula

An equation used to determine the total cost of production or operations by accounting for both fixed and variable expenses.

Maintenance Cost

Expenses incurred in the regular upkeep and repair of equipment, buildings, or machinery to ensure efficient operation and prevent breakdowns.

Contribution Margin

The difference between the sales revenue of a product and its variable costs, used to cover fixed costs and generate profit.

Sales Revenues

The total amount of money generated from sales of goods or services before any expenses are subtracted.