Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
Chapter 2, Problem 2RAT
The difference between speed and velocity most involves
(a) direction.
(b) amount.
(c) different unit.
(d) acceleration.
Expert Solution & Answer
To determine
The correct option for the statement “The difference between speed and velocity most involves”.
Answer to Problem 2RAT
The correct option for the statement “The difference between speed and velocity most involves” is option (a).
Explanation of Solution
The term speed can be defined as the amount of length covered by an object in a time interval. This is a quantity, which only requires magnitude and is therefore known as a scalar quantity. On the other hand, velocity is calculated as the change in displacement covered by body in the unit time interval. This is quantity require magnitude as well as direction, hence it is a vector quantity. It can be seen that the major difference between both of them is because of direction.
The major difference between speed and velocity involves direction. Thus, from the given options, option (a) is correct.
Conclusion:
Therefore, option (a) is correct.
Chapter 2 Solutions
Conceptual Physical Science Explorations
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