Question

if mach number of an intercontinental missile 22. what is its speed in air if speed of sound in air 332 m/s​

Answer 1

Answer:

1  mach means going in specific medium with speed of sound

 generally 1 mach = speed of sound in air = 332 m/s

       speed of missile with 22 mach

            = 332 × 22

            = 7304 m/s

           = 7.3 km/h