Asked by m

Which speed regime occurs when aircraft travel at Mach 0.8 or lower?

Group of answer choices

Hypersonic

Subsonic

Transonic

Supersonic

Flag question: Question 2
Question 21 pts
2. Which speed regime occurs when an aircraft’s speed approaches the speed of sound, but doesn’t quite reach Mach 1?

Group of answer choices

Transonic

Hypersonic

Supersonic

Subsonic

Flag question: Question 3
Question 31 pts
3. Which speed regime occurs when an aircraft’s speed is between Mach 1 and Mach 5?

Group of answer choices

Subsonic

Hypersonic

Supersonic

Transonic

Flag question: Question 4
Question 41 pts
4. Which of the following was the first supersonic passenger airline?

Group of answer choices

X-59 QueSST

F-4 Phantom

Space shuttle

Concorde

All Answers 1

Answered by GPT-5 mini AI
1. Subsonic

2. Transonic

3. Supersonic

4. Concorde