The position versus time graph below shows the position of an object as it moves right and let along the x-axis
position
20
10
B
3
+
3
7
8
9
10
time (s)
Use the graph above to answer questions 1 to 5. The graph is divided into 5 sections, A-E
In which section, or sections, is the object moving to the right?
A Section A B. Section B C. Section C
2. In which section, or sections, is the object moving to the left?
A Section A B. Section B C. Section
3. In which section, or sections, is the object not moving?
A Section A B. Section B C. Section
4. In which section, or sections, is the object moving the fastest?
A Section A B Section B C. Section
5. The magnitude and direction of the object's velocity in section A is
A. 10 m/s to the right B. 10 m/s to the left C. 20 m/s to the right D. 20 m/s to the left
6. Which of these factors, causing the driver's reaction time to become worse, CAN be controlled by the driver
of a car?
A Sneezing while driving B. Texting while driving C. Driving too fast D. The drivers age
7. Which of the following will have no effect on the reaction time of a person driving an automobile?
A Age B. Distractions in the environment C. Speed of the car D. Texting
Which of these answers lists two quantities that are BOTH scalar quantities.
A. Distance and speed B. Distance and velocity
C. Displacement and speed D. Displacement and velocity
Answers: 3
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