MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
What_is_Mach_number?$ |
| A. | Speed of object * speed of sound |
| B. | Speed of object /speed of sound |
| C. | Speed of object + speed of sound |
| D. | Speed of object- speed of sound |
| Answer» C. Speed of object + speed of sound | |