Velocity-Time Graphs
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Avergae acceleration can be defined as he change in velocity over time.
It can be calculated from a velocity time graph. To do so, you must calculate
the slope of a velocity-time graph they same way you would calculate the sloep
of any other graph discussed in the site.
Velocity time graphs can also be used to measure the average velocity. This can be done through the following equation:
The average velocity has the same vale as the instantaneous velocity at the mid-time point for constant acceleration. (this formula will only work if the graph shows a straigt line (uniform acceleration)