Starter Convert the following into scientific notation: You need 3 pieces of graph paper!! Answers x x x x 10 -5

Table of Contents 9/9/15 Speed, Velocity, and Graphing

Speed

Practice Bob walked 25m in 15s, what was Bob’s speed?

Velocity

Practice 1 Penny walked 15 m to the east and then realized she passed her destination and went west 3 m. It too her 20 s to reach her location. What was her velocity?

Practice 2 Jim walked 20 m east and then 15 m south in 30 s. What was his velocity?

Linear Equation

Graphing Independent variable is on the x axis Dependent variable is on the y axis

Describe what the object is doing at 1 second, 2 seconds, 3 seconds, etc.? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m At 1 seconds the object is located 4 meters from the origin 0 s 0 m

Describe what the object is doing at 1 second, 2 seconds, 3 seconds etc.? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m At 2 seconds the object is located 4 meters from the origin 0 s 0 m

Describe what the object is doing at 1 second, 2 seconds, 3 seconds etc.? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m From 0 to 5 seconds the object is located 4 meters from the origin 0 s 0 m

If an object is staying in the same position for a time interval than its… at rest. stopped. not moving. still. Represented by a horizontal line on a position vs time graph

Where was the object located at 2 seconds? position time 1 m 2 m 1 s 3 s2 s 4 s 5 s 3 m 4 m 5 m At 2 seconds the object is located 2 meters from the reference point 0 s 0 m

Where is the object located at 15 seconds? position time 1 m 2 m 5 s15 s10 s20 s25 s 3 m 4 m 5 m At 15 seconds the object is located 3 meters from the reference point 0 s 0 m

What would of a stopwatch read when the object is located 5 meters from the reference point? position time 1 m 2 m 1 s3 s2 s 4 s5 s 3 m 4 m 5 m It would read 3 seconds when the object was 5 meters from the reference point 0 s 0 m

Exit How would you know if an object is moving or not just by looking at a graph?