---
title: "Two particles of equal mass \\( m_0 \\) are moving with equal speeds \\( v_0 \\) along paths inclined at \\( 60^\\circ \\) to the \\( x \\)-axis, as shown above. They collide and stick together in a perfectly inelastic collision. Their velocity after the collision has magnitude:"
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url: "https://nerd-notes.com/ubq/81053/"
date_modified: "2025-08-05T20:49:32+00:00"
---

# Two particles of equal mass \( m_0 \) are moving with equal speeds \( v_0 \) along paths inclined at \( 60^\circ \) to the \( x \)-axis, as shown above. They collide and stick together in a perfectly inelastic collision. Their velocity after the collision has magnitude:

Two particles of equal mass \( m_0 \) are moving with equal speeds \( v_0 \) along paths inclined at \( 60^\circ \) to the \( x \)-axis, as shown above. They collide and stick together in a perfectly inelastic collision. Their velocity after the collision has magnitude:

![Diagram](https://nerd-notes.com/wp-content/uploads/2025/04/Inelasticcollisionoftwomassesatvaringangles.png)

- **A.** \[ \frac{v_0}{4} \]
- **B.** \[ \frac{v_0}{2} \]
- **C.** \[ \frac{\sqrt{2}v_0}{2} \]
- **D.** \[ \frac{\sqrt{3}v_0}{2} \]
- **E.** \( v_0 \)

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/81053/*