The Angle of the Shock Wave Produced by a Jet

question 28

Multiple Choice

The angle of the shock wave produced by a jet traveling at Mach 2 at an altitude of 3000 m (assume the speed of sound to be 340 m/s at this altitude) is approximately

• A)30º
• B)40º
• C)50º
• D)60º
• E)80º

---

Definitions:

Salary Sacrificing

An arrangement where an employee agrees to receive less income in return for their employer providing benefits of a similar value.

Non-Cash Benefits

Compensation or perks given to employees that are not in the form of money, such as health insurance, company cars, or housing.

Performance Targets

Specific, quantifiable objectives set by a company or an individual to measure progress toward a desired goal or standard.

Leave Loading

An additional pay amount given to employees while they are on leave, typically calculated as a percentage of their usual wages, to compensate for not receiving certain types of earnings during their leave.