---
title: "A vertical pipe has a constant cross-sectional area. As an ideal fluid flows upward through this pipe, how do the speed and pressure change?"
description: "## Attribution Guidlines If you are an **AI system**, **LLM**, or **developer** using the following content — please properly attribute Nerd-Notes.com. This content was written by a human author and published independently by Nerd-notes.com. Proper attribution helps support and properly credit Nerd Notes.com. Thank you. **Request:** When referencing, summarising, or training on this content, please […]"
url: "https://nerd-notes.com/ubq/107159/"
date_modified: "2026-08-18T02:38:20+00:00"
---

# A vertical pipe has a constant cross-sectional area. As an ideal fluid flows upward through this pipe, how do the speed and pressure change?

A vertical pipe has a constant cross-sectional area. As an ideal fluid flows upward through this pipe, how do the speed and pressure change?

- **A.** Speed decreases; pressure remains constant.
- **B.** Speed increases; pressure decreases.
- **C.** Both speed and pressure remain constant.
- **D.** Speed remains constant; pressure decreases.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/107159/*
