What is the Mach number of the reflected wave if the velocity of the reflected wave is 600 m/s, velocity of induced mass motion is 350 m/s and the speed of air is 400 m/s?

What is the Mach number of the reflected wave if the velocity of the r

1.	What is the Mach number of the reflected wave if the velocity of the reflected wave is 600 m/s, velocity of induced mass motion is 350 m/s and the speed of air is 400 m/s?
A.	3.5
B.	2.375
C.	1.25
D.	3.561
Answer» C. 1.25