Final answer:
When a stream of water flows through a narrowing pipe, the pressure of the stream decreases.
Explanation:
When a stream of water travels through a pipe that gradually becomes narrower, the pressure of the stream decreases. This is due to the pressure difference created when the channel narrows, resulting in a net force on the fluid that increases its kinetic energy. As a result, the pressure drops in a rapidly-moving fluid as it accelerates through a narrower space.
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