< Which of the following best compares average speed with average velocity? 2 A Average speed is always less than average velocity. B Average speed has units of mph and average velocity has units of m/s. C Average speed is a vector quantity, but average velocity is a scalar quantity. D Average speed has only magnitude, but average velocity has both magnitude and direction.
< Which of the following best compares average speed with average velocity? 2 A Average speed is always less than average velocity. B Average speed has units of mph and average velocity has units of m/s. C Average speed is a vector quantity, but average velocity is a scalar quantity. D Average speed has only magnitude, but average velocity has both magnitude and direction.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![### Understanding Average Speed and Average Velocity
**Question:**
Which of the following best compares average speed with average velocity?
**Options:**
1. **Average speed is always less than average velocity.** (Incorrect)
2. **Average speed has units of mph and average velocity has units of m/s.** (Incorrect)
3. **Average speed is a vector quantity, but average velocity is a scalar quantity.** (Incorrect)
4. **Average speed has only magnitude, but average velocity has both magnitude and direction.** (Correct)
#### Correct Answer:
**D. Average speed has only magnitude, but average velocity has both magnitude and direction.**
**Explanation:**
- **Average Speed** is a scalar quantity, meaning it only has magnitude (how fast an object is moving) and is measured in units such as miles per hour (mph) or meters per second (m/s).
- **Average Velocity** is a vector quantity, which means it has both magnitude and direction. For example, a car can travel at a velocity of 60 mph north.
---
**Note:** In the provided image, there is also a part of a printed page or manual showing instructions for placing a tube in a tube holder and some steps for usage. This part seems unrelated to the physics question and serves no relevance in this context.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F384bb2d8-4bfb-40a4-b5b5-cce563951ac9%2Fa1821d32-cf6a-41d7-a699-5c26bd39ae7f%2Foren5utb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Understanding Average Speed and Average Velocity
**Question:**
Which of the following best compares average speed with average velocity?
**Options:**
1. **Average speed is always less than average velocity.** (Incorrect)
2. **Average speed has units of mph and average velocity has units of m/s.** (Incorrect)
3. **Average speed is a vector quantity, but average velocity is a scalar quantity.** (Incorrect)
4. **Average speed has only magnitude, but average velocity has both magnitude and direction.** (Correct)
#### Correct Answer:
**D. Average speed has only magnitude, but average velocity has both magnitude and direction.**
**Explanation:**
- **Average Speed** is a scalar quantity, meaning it only has magnitude (how fast an object is moving) and is measured in units such as miles per hour (mph) or meters per second (m/s).
- **Average Velocity** is a vector quantity, which means it has both magnitude and direction. For example, a car can travel at a velocity of 60 mph north.
---
**Note:** In the provided image, there is also a part of a printed page or manual showing instructions for placing a tube in a tube holder and some steps for usage. This part seems unrelated to the physics question and serves no relevance in this context.
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