Average velocity from a position-time graph?

In summary, average velocity is a measure of an object's displacement over a given period of time. It is represented by the slope of a line on a position-time graph and can be calculated by dividing the change in position by the change in time or finding the slope using the rise over run method. Average velocity can be negative if the object is moving in the opposite direction on the graph. The units for average velocity are typically distance divided by time, such as meters per second or kilometers per hour.
  • #1
xdeanna
24
0
what is the object's average velocity during the entire interval?
..i know velocity would be the slope..but there's different slopes so what do i do?
does it have to do with instantaneous velocity?!

physics makes me sad. :(
 

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  • #2
Well there is no need to be. Average velocity is simply net displacement divided by time elapsed.
 
  • #3
So..2m/s [N]? :D
 
  • #4
For the complete path shown, yes.
 

1. What is average velocity?

Average velocity is a measure of an object's displacement over a given period of time. It is calculated by dividing the change in position by the change in time.

2. How is average velocity represented on a position-time graph?

Average velocity is represented by the slope of a line on a position-time graph. The steeper the slope, the greater the average velocity.

3. How do you calculate average velocity from a position-time graph?

To calculate average velocity from a position-time graph, you can choose two points on the line and use the formula (change in position)/(change in time). Alternatively, you can find the slope of the line using the rise over run method.

4. Can average velocity be negative?

Yes, average velocity can be negative if the object is moving in the opposite direction of the positive direction on the position-time graph. This indicates that the object is moving backwards or in the negative direction.

5. What units are used to measure average velocity?

The units for average velocity are typically distance divided by time, such as meters per second (m/s) or kilometers per hour (km/h). The specific units used will depend on the units of measurement for the position and time on the graph.

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