Shock Waves: an Airplane Flying Faster Than the Speed of Sound

question 9

Multiple Choice

Shock waves: 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:

Assembly Hours

The total hours spent on the assembly stage of the manufacturing process, often used in costing and performance measurement.

Activity-Based Costing

A costing method that assigns overhead and indirect costs to specific activities, providing more accurate insights into the true costs of production.

Activity Rates

In activity-based costing, the cost allocation rate for each activity cost pool, allowing for more accurate product or service costing.

Customer Margin

The profit margin that is generated from a specific customer, calculated by subtracting the costs associated with serving that customer from the revenue earned from them.