Calculating Velocity from Coordinates: Is it Right?

[Crusaderking1]

Homework Statement

I have the coords (5.0,0.5), (3.9,1.0), etc.(all can be eyeballed because of no slope.)

If I divided y/x = y of velocity vs time graph (sorry, I don't know how else to put it.)
I would get (5.0, 0.1) and respectively (3.9, .256) for the second cords, and these would be for the velocity vs time graph.

I think I am doing it wrong.

Homework Equations

The Attempt at a Solution

 

[NascentOxygen]

You have a plot of y values versus time? To find the slope of this in some region, you calculate delta y and divide it by delta t, where delta y is the change in y, and delta t is the change in time, in that region. This gives you one point to be plotted on your new velocity versus time graph.

 

[Crusaderking1]

When you say same region, do you mean same line segments?

 

[NascentOxygen]

When you say same region, do you mean same line segments?

I didn't anywhere say same region. I said some region, meaning any region.

Each velocity value you determine is best plotted as a point lying above the midpoint of the time segment, delta t, that was used in determining that velocity value.

 

[Crusaderking1]

I didn't anywhere say same region. I said some region, meaning any region.

Each velocity value you determine is best plotted as a point lying above the midpoint of the time segment, delta t, that was used in determining that velocity value.

Ok thanks.