How to Draw Velocity Vectors for a Car on a Racetrack?

AI Thread Summary
The discussion focuses on drawing velocity vectors for a car on a racetrack with straight and semicircular sections while maintaining constant speed. Participants clarify that four diagrams are needed, one for each of the four positions on the track, to accurately represent the velocity vectors. There is confusion regarding the initial post's mention of three diagrams, which depict changes in velocity rather than the required individual velocity vectors. The term "vector diagram" is debated, with suggestions to consult textbooks or teachers for precise definitions. Ultimately, the consensus is that a proper vector diagram should illustrate the velocity at each specified point on the racetrack.
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Here we are looking down on a racetrack with straight sections and semicircular ends. A car is going around the track and maintaining constant speed.

For each one of the numbered positions: Draw diagrams showing the velocity vector for the car.

I will post my diagrams on a separate reply. I just need to know if I am getting this concept down (this is yet another example concept from the book I am not getting). My question is do I have a total of three diagrams. One would be for #1 as Vi[/size] and #2 as Vf[/size]. Then the second diagram starts with #2 as Vi[/size] and #3 as Vf[/size]. The third diagram as #3 as Vi[/size] and #4 as Vf[/size]. I should have a reply with my diagrams on it
 

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Here are the Diagrams: If I made a mistake please inform me on what I did wrong
 

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It's not clear to me WHAT you are trying to do.

There are 4 posions given and you say:
For each one of the numbered positions: Draw diagrams showing the velocity vector for the car.
That should imply 4 diagrams, each showing the velocity vector at that point.

In your second post, you show three diagrams, showing the Δv- the change in velocity vectors. You didn't say anything about having to show that.
 
So wouldn't a a velocity vectory diagram have delta V, Vi[/size], and Vf[/size].
 
Actually is the vector diagrams just the tangent line to the point 1, 2,3,4 on the racetrack?
 
Perhaps you should check your textbook or with your teacher to determine exactly what is meant by a "vector diagram". "vector" is a pretty standard term but "vector diagram" is not.

Off the top of my head, I would think a "vector diagram" in this case is a picture showing the velocity vector at each given point on the track.
 
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