---
title: "A race car moves at a constant speed \\(v\\) around a horizontal circular track of radius \\(R\\). Which of the following statements correctly describes the acceleration of the car?"
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url: "https://nerd-notes.com/ubq/113123/"
date_modified: "2026-05-05T04:25:56+00:00"
---

# A race car moves at a constant speed \(v\) around a horizontal circular track of radius \(R\). Which of the following statements correctly describes the acceleration of the car?

A race car moves at a constant speed \(v\) around a horizontal circular track of radius \(R\). Which of the following statements correctly describes the acceleration of the car?

![A top-down view of a circular path. A car is shown at two different positions. At position 1 (top of the circle), an arrow labeled v1 points horizontally to the right. At position 2 (left side of the circle), an arrow labeled v2 points vertically upward. Both arrows have the same length.](https://nerd-notes.com/wp-content/uploads/ubq-frq-generated/stem-fig-1-1777955156-Si5z6N.jpg)

- **A.** The acceleration is zero because the speed of the car is constant.
- **B.** The acceleration is zero because the average velocity of the car over one full lap is zero.
- **C.** The acceleration is non-zero because the direction of the velocity vector is changing.
- **D.** The acceleration is non-zero because the distance traveled by the car is increasing at a constant rate.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/113123/*