For example, if a fast bullet had a shockwave longer than an inch and the bullet came within an inch of a wall during its flight, would the supersonic shockwave hit the wall and have a rebound effect back to the bullet, thereby upsetting the stability of the bullet?Would the shockwave of a supersonic object affect the flight of that object if it hit another object nearby?
Hi there. The answer to your question is no, a rebounding shockwave caused by a supersonic bullet (or any other faster-than-sound object) can have no effect on the bullet itself. That's because the waves that make up the shockwave can only propagate forward at the speed of sound. If they bounce off of an obstacle and are reflected back toward the bullet's path, they won't be able to catch up with the bullet, which is travelling faster than sound. That's why fighter jet pilots traveling faster than Mach 1 never hear the sonic boom their jets create. All of that is behind them.
I hope that helps. Good luck!
ETA: This website has some pretty cool animations and pictures to explain sonic booms. Check it out:
http://paws.kettering.edu/~drussell/Demo鈥?/a>
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