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a= Vf-Vi/tf-ti
149
average accleration
a=vf-vi/ tf-ti
a= Vf-Vi/tf-ti
Uses
- an object accelerates
- gives you an initial velocity or final velocity
- during a final and initial time
Example
Independent/Dependent Variables
Consider a person riding a bike. Let's say that they start out from rest and reach a speed of 10 meters per second by 1 second, 15 meters per second by 2 seconds and 18 meters per second after 3 seconds. We know that the bike accelerated for the entire 3 seconds since the velocity kept increasing, but was the acceleration the same for each time period? To find out, we'll need to use the change in velocity over each period of time to calculate the average acceleration.
Dependent
- vf
- vi
Independent
- tf
- ti
Variables
a=Vf-Vi/tf-ti
tf: final time
Vi: initial velocity
a=Vf-Vi/tf-ti
ti: initial time
a=Vf-Vi/tf-ti
a= Vf-Vi/tf-ti
Vf: final velocity
a: average acceleration
Kayla Williams