Q. What is Mach number? (Solved)
1. speed of object * speed of sound
2. speed of object /speed of sound
3. speed of object + speed of sound
4. speed of object- speed of sound
- b. speed of object /speed of sound
1. speed of object * speed of sound
2. speed of object /speed of sound
3. speed of object + speed of sound
4. speed of object- speed of sound