Question

(a) What is a Mach number? (b) If a vehicle is labeled Mach 12, what does...

(a) What is a Mach number?

(b) If a vehicle is labeled Mach 12, what does it mean?

(c) What does breaking the sound barrier mean?

(d) Who was the first person to break the sound barrier?

Homework Answers

Answer #1

Ansa}  it is the the ratio of the speed of a body to the speed of sound in the surrounding medium.

Ans b} it means the speed of vehicle is 12 times the speed of sound in the medium in which the vehicle is travelling

Ans c} when the speed of the object just exceeds the speed of sound in that medium then the object is said to have broken the sound barrier.

Ans d}Charles Elwood Yeager is a former United States Air Force officer, was the first person who broke the sound barrier

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