Motion Graphs

The slant of a line on a graph is called its ______.

The steeper the slope the ______ the object is moving.

• faster
• slower

The motion graph above graphs the motion of a jogger running a constant speed directly north from his house one day. How far did the jogger run in 10 minutes?

• 500 m
• 1000 m
• 1500 m
• 2000 m

Calculate the speed of the jogger for first 10 minutes.

• 50 m/min
• 100 m/min
• 150 m/min
• 200 m/min

The motion graph above also shows the motion of a jogger that is not constant. The line is divided into segments. The middle segment is horizontal. What does that tell you about the jogger’s progress between minute 8 and minute 13?

• 0
• 50 m/min.
• 100 m/min.
• 150 m/min.

Is the jogger’s average speed faster for the first 6 minutes of the run or the last 6 minutes of his run?

• last 6 minutes
• first 6 minutes

Michelle and Melissa rode their bikes at a constant speed for the first 3 minutes and the last 4 minutes of her trip. What was their constant speed for the last 4 minutes?

• 0
• 50 m/min.
• 100 m/min.
• 150 m/min.
• 200 m/min.

Michelle and Melissa rode their bikes at a constant speed for the first 3 minutes and the last 4 minutes of her trip. What was their constant speed for the first 3 minutes?

• 0
• 50 m/min.
• 100 m/min.
• 150 m/min.
• 200 m/min.

What was her average speed for the entire trip?

• 110 m/min.
• 0
• 50 m/min.
• 120 m/min.
• 150 m/min.

The girls stopped at Melissa’s house which is also directly west of Michelle’s house on their trip. How far were they from Michelle’s house when they stopped?

• 100 m
• 200 m
• 300 m
• 400 m