velocity time graph4.notebooknordstromsjhs.weebly.com/uploads/1/2/1/7/121740634/velocity_time… ·...
TRANSCRIPT
velocity time graph4.notebook
1
March 13, 2019
Mar 1212:09 PM
Velocity TimeGraphsChanges in velocity over time are called acceleration
velocity time graph4.notebook
2
March 13, 2019
Mar 131:14 PM
velocity time graph4.notebook
3
March 13, 2019
Mar 131:18 PM
velocity time graph4.notebook
4
March 13, 2019
Mar 1212:15 PM
Direction of acceleration is determined by the CHANGE invelocity, not by the direction an object happens to be moving.Example:Youstart from rest and reach a final velocity of 18 m/s [East] in4.5 seconds
Example:Youstart with a velocity of 35 m/s [East] and finish with a
velocity of 10 m/s [East] in 2.8 seconds.
What is the acceleration ?
What is the acceleration ?
velocity time graph4.notebook
5
March 13, 2019
Mar 1212:26 PM
When the van is speeding up, the average velocity vectors and the average acceleration vector point in the same direction (+). When the van is travelling at a constant speed, the average acceleration is zero.
When the van is slowing down, the average velocity vectors (+) and the
average acceleration vector (−) are in opposite directions
velocity time graph4.notebook
6
March 13, 2019
Mar 131:40 PM
velocity time graph4.notebook
7
March 13, 2019
Mar 1212:38 PM
The slope in a velocity time graph is the acceleration
the area under a velocity time graph can give us distance and displacement
velocity time graph4.notebook
8
March 13, 2019
Mar 1212:37 PM
velocity time graph4.notebook
9
March 13, 2019
Mar 121:03 PM