ACCELERATION
ACCELERATION!
_______________ is the rate at which velocity (speed) changes.
Can be an:
← ______________________________________
o Example: ____________________________________________________________
← ______________________________________
o Example: ____________________________________________________________
← ______________________________________
o Example: ____________________________________________________________
Formula for Acceleration:
[pic]
The units for acceleration are: _____________
|0s |1s |2s |3s | 4s |
|[pic] |[pic] |[pic] |[pic] |[pic] |
|0m/s |4m/s |8m/s |12m/s | 16m/s |
Calculating Acceleration of a Car:
|Acceleration = |m/s – m/s |
| | s |
Final Speed of Car: _____________________ m/s
Initial Speed of Car: _____________________ m/s
Time: ________________________________ sec
Acceleration: __________________________ m/s2
Graphing Acceleration:
Can use 2 kinds of graphs:
← _________________________________________
← _________________________________________
Speed vs. Time Graphs
1. Speed is increasing with time = ___________________
2. Line is straight = _____________________________
3. In speed vs. time graphs:
Acceleration = _________ / ____________
4. What is the acceleration of the object between time 2 and 4 sec? _________________________________________________________________________________
Distance vs. Time Graphs
1. On distance vs. time graphs a _______________________ line means the object is accelerating.
2. A curved line also means your _______________________ is increasing. (Remember slope = speed on a distance vs time graph)
Which lines represent an object that is accelerating on a distance vs. time graph below?
_____________________________________________________________________________________
Remember in distance vs. time graphs:
Curved line = ________________________________
Flat line = ___________________________________
What would a distance vs time graph look like for this car?
Is there acceleration?___________________________________
What shape does the distance/time graph need to be? __________________________________________________
What is the speed doing? _______________________________
What is the distance doing?_________________________________________________
What does that mean for the GAIN in distance over time?________________________________
So what will the graph look like? ____________________________________________________________
-----------------------
_____________relationship
_____________velocity
_____________acceleration
_____________relationship
_____________velocity
_____________acceleration
_____________ relationship
_____________velocity
_____________acceleration
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