sciencewithpizzi.weebly.comsciencewithpizzi.weebly.com/uploads/2/4/6/8/24681872/3... · web...
TRANSCRIPT
![Page 1: sciencewithpizzi.weebly.comsciencewithpizzi.weebly.com/uploads/2/4/6/8/24681872/3... · Web viewVelocity versus Time Graphs The gradient of a velocity versus time graph gives the](https://reader036.vdocuments.net/reader036/viewer/2022062504/5b1ad4dd7f8b9a2d258df88b/html5/thumbnails/1.jpg)
Velocity versus Time Graphs
The gradient of a velocity versus time graph gives theacceleration of the object.
Gradient = Acceleration
1. Which line has the higher acceleration?The red line
2. Are these objects accelerating or decelerating?
3. Calculate the acceleration of this graph.
Acceleration = gradient= rise/run= 50/5= 10 m/s2 forwards
4. Describe the motion of the object from t = 0 s to t = 2 s.The object is moving at a constant velocity of 4 m/s
5. Describe the motion of the object from t = 2 to t = 4 s.The object is decelerating as the gradient is negative
6. Calculate the acceleration of the object from t = 2 to t = 4 s.
Acceleration = gradient = rise/run = 4/2 = - 2 m/s2
![Page 2: sciencewithpizzi.weebly.comsciencewithpizzi.weebly.com/uploads/2/4/6/8/24681872/3... · Web viewVelocity versus Time Graphs The gradient of a velocity versus time graph gives the](https://reader036.vdocuments.net/reader036/viewer/2022062504/5b1ad4dd7f8b9a2d258df88b/html5/thumbnails/2.jpg)
![Page 3: sciencewithpizzi.weebly.comsciencewithpizzi.weebly.com/uploads/2/4/6/8/24681872/3... · Web viewVelocity versus Time Graphs The gradient of a velocity versus time graph gives the](https://reader036.vdocuments.net/reader036/viewer/2022062504/5b1ad4dd7f8b9a2d258df88b/html5/thumbnails/3.jpg)
The area under a velocity versus time graph is the TOTAL DISPLACEMENT
7. Calculate the total displacement of this object.
Area under graph = rectangle = 10 x 5
= 50 m forwards
8. Calculate the total displacement of this object.
Area under graph = triangle + rectangle
= (0.5 x 8 x4) + (8 x 6)
= 16 + 48 = 64 m forwards