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1. These planes travel at twice the speed of sound.

2. Mach two equals twice the speed of sound.

3. The aeroplane will travel at twice the speed of sound.

4. Concorde crosses the Atlantic at twice the speed of sound.

5. Supersonic planes can travel faster than the speed of sound.

6. A bullet exceeding the speed of sound creates two shock waves.

7. The plane touched the speed of sound in a power dive.

8. The speed of sound also depends on Young's modulus.

9. Hypersonic aircraft refers to the speed of sound, at least 5 times more than the aircraft.

10. In this paper, A method for measuring the speed of sound in air by means of a new sound wave prober was described.

11. A new method measuring speed of sound in a weak scattering fluid is proposed by using the ultrasound- modulated light.

12. The frequency, wave length, and speed of sound are closely related.

13. The new airplane flies at twice the speed of sound.

14. The plane can sustain a speed of Mach 3, or three times the speed of sound.

15. The highest speed at which a stress can be transmitted through any substance is usually the speed of sound in that substance.

16. There exist rifles which fire bullets faster than the speed of sound.

17. Some of these planes can travel faster than the speed of sound.

18. Deflagration is combustion wave propagating at a velocity less than the speed of sound.

19. A sonic boom is the thunder-like noise a person on the ground hears when an aircraft or other type of aerospace vehicle flies overhead faster than the speed of sound or supersonic.

20. The aim is to fly at about Mach 2, twice the speed of sound.

21. A sonic boom is the loud crash and shaking that happens when a jet plane goes faster than the speed of sound.

22. If you encounter a sonic boom, is that evidence that an aircraft of some sort exceeded the speed of sound moments ago to become supersonic ?

23. A set of formulas has been developed to calculate the atmospheric temperature, density, pressure, the speed of sound etc. of Standard Atmosphere 1976.

23. Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.

24. It would reach hypersonic speeds -- five times the speed of sound.

25. Ramjets work Best at speeds of Mach 2 ( twice the speed of sound ) and higher.

26. Oh, this is by, yeah, the square root-- And so the higher Young's modulus is, the higher the speed of sound is, and that is intuitively sort of pleasing.

27. After introducing an adiabatic or thermo-equilibrium assumption between phases, the expression reduces to a particular expression for the complete or partial equilibrium speed of sound.

28. Without proof-- - you will see this if you ever take 803-- I will tell you that the speed of sound is the square root of Young's modulus divided by the density of the material.

29. A scramjet is a type of jet engine that uses compressed air in place of conventional turbines to create thrust. (Read "U. S. Developing Jets That Fly Five Times the Speed of Sound.

30. In this case, the 33 megajoules launched the shot 5,500 feet per second, exceeding the speed of sound and releasing a sonic boom.