Answer:
<em><u>constant</u></em>
Explanation:
In consideration of the conservation principle of linear momentum
The result is the sound will be louder. This is due to the high amount of energy in the sounds.
One term could be allostasis, the opposite of homeostasis.
Other antonyms of homeostasis, the body's ability to maintain a stable internal environment, include imbalance, instability, etc.