Concept explainers
To Explain:the reason why one should use the term speed or velocity to describe the motion if he/she describes the rate that a race car goes around a track.
Explanation of Solution
Introduction:
It can be said that an object which experiences either a change in the magnitude or direction of the vector velocity is accelerating.
When a car is moving in a track, we describe the term as speed. Because speed is how fast a car can move and velocity is the displacement per time,if speed increases from time to time then it is called acceleration.
Conclusion:
Hence, speed is how fast a car can move.
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