Velocity-Time Graphs Write Cornell notes that make sense for your brain on the back of the VT Worksheet. Do not copy this ppt word for word! Read, think,

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Presentation transcript:

Velocity-Time Graphs Write Cornell notes that make sense for your brain on the back of the VT Worksheet. Do not copy this ppt word for word! Read, think, record your thoughts. Keep this in your binder. Ill stamp these tomorrow to show late or on time. Enjoy!

Create a T Graph comparing PT and VT Graphs Purpose What is on the axis Slope = + - slope = No slope Straight line Curved line How far something traveled over a period of time How fast something traveled over a period of time velocity acceleration + = forward - = backward + = accelerate - = decelerate No change in position, no motion No change in velocity, moving at same speed Constant velocity Constant acceleration Changing acceleration Increasing acceleration decreasing acceleration Changing velocity acceleration or deceleration

Make another T Chart PT VT

What do these graphs mean Draw the VT Graph PT: Create your own hints for how to create a VT Graph from this PT Graph

What do these graphs mean PT: Draw the VT Graph Create your own hints for how to create a VT Graph from this PT Graph

What do these graphs mean PT: Draw the VT Graph Create your own hints for how to create a VT Graph from this PT Graph

What do these graphs mean PT: Draw the VT Graph Create your own hints for how to create a VT Graph from this PT Graph

What do these graphs mean PT: Draw the VT Graph Create your own hints for how to create a VT Graph from this PT Graph

Example A: The car was travelling forward at a steady speed of 50 km/h. Then it slowed down to 30km/h as it entered a school zone and continued until the end of the observations.

Example B e a d b c

Example B The car was travelling forward at a steady speed of 30 km/h. It came to a stop, and stayed stopped for a period before it resumed its motion forward again.

Example C e d a b c

Example C The car was at rest, then quickly moved backwards at a speed of 10 km/h. The car then moved forward, speeding up until reaching a constant speed of 40 km/h.

Compare Contrast PT and VT Graphs How to interpret the graphs +m -m Bellow the origin (- y value) Flat line Curved line PT VT What portions of the graph represent How represent forward or backward direction How represent velocity or speed How represent acceleration or deceleration How represent constant speed How represent no motion How represent displacement Which prompts describe the same thing?