---
title: "A stationary parent nucleus decays at rest into three daughter particles that move in the same plane. The linear momenta of the three particles immediately after the decay are denoted by \\(\\vec{p}_1\\), \\(\\vec{p}_2\\), and \\(\\vec{p}_3\\). Which of the following vector diagrams correctly represents the condition for conservation of linear momentum of the system?"
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url: "https://nerd-notes.com/ubq/120794/"
date_modified: "2026-08-23T04:43:24+00:00"
---

# A stationary parent nucleus decays at rest into three daughter particles that move in the same plane. The linear momenta of the three particles immediately after the decay are denoted by \(\vec{p}_1\), \(\vec{p}_2\), and \(\vec{p}_3\). Which of the following vector diagrams correctly represents the condition for conservation of linear momentum of the system?

A stationary parent nucleus decays at rest into three daughter particles that move in the same plane. The linear momenta of the three particles immediately after the decay are denoted by \(\vec{p}_1\), \(\vec{p}_2\), and \(\vec{p}_3\). Which of the following vector diagrams correctly represents the condition for conservation of linear momentum of the system?

- **A.** Diagram A
- **B.** Diagram B
- **C.** Diagram C
- **D.** Diagram D

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/120794/*