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Speed and Velocity Quiz

Which explains the information needed to calculate speed and velocity?

A. Both require the total distance, but velocity also requires time and displacement.
B. Both require time, but velocity requires displacement and speed requires distance.
C. Speed requires displacement, while velocity requires distance.
D. Speed does not require time, while velocity does require time.



Answer :

GinnyAnswer

Final answer:

Speed is the rate of distance travel, while velocity includes direction and displacement. The difference between average speed and velocity lies in their scalar/vector nature.


Explanation:

Speed is the rate at which distance is traveled, calculated by dividing the total distance traveled by the elapsed time. Velocity includes direction and requires displacement, calculated by dividing the displacement by the elapsed time, making it a vector quantity.

For example, if a person walks in a circular path and returns to the starting point, the average speed is positive, but the average velocity is zero since the displacement is zero. They differ because speed is scalar while velocity is a vector.


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