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Physics / College Physics 1 / Chapter 2 / Problem 9

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

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There is a distinction between average speed and the

Chapter 2, Problem 9

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QUESTION:

Problem 9CQ

There is a distinction between average speed and the magnitude of average velocity. Give an example that illustrates the difference between these two quantities.

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QUESTION:

Problem 9CQ

There is a distinction between average speed and the magnitude of average velocity. Give an example that illustrates the difference between these two quantities.

ANSWER:

ANSWER:

Step 1:-

Average speed is measured as the total distance covered by the total time taken.

As the distance is a scalar and does not have a preferred direction, average speed is also a scalar and does not have a direction associated with it.

Average velocity is defined as the total displacement divided by the total amount of time taken.

Displacement is a vector so the average velocity too.

But the magnitude of average velocity is a number only which is a scalar.

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