---
title: "You are lying in bed and want to shut your bedroom door. You have a bouncy “superball” and a blob of clay, both with the same mass \\( m \\). Which one would be more effective to throw at your door to close it?"
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url: "https://nerd-notes.com/ubq/91373/"
date_modified: "2025-05-08T01:24:16+00:00"
---

# You are lying in bed and want to shut your bedroom door. You have a bouncy “superball” and a blob of clay, both with the same mass \( m \). Which one would be more effective to throw at your door to close it?

You are lying in bed and want to shut your bedroom door. You have a bouncy “superball” and a blob of clay, both with the same mass \( m \). Which one would be more effective to throw at your door to close it?

- **A.** The superball.
- **B.** The blob of clay.
- **C.** Both the same.
- **D.** Neither will work.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/91373/*