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Physical Science Test: Linear Kinematics

Multiple Choice

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1. Two drivers (driver A and driver B) are traveling in opposite directions on a long, straight road at different constant velocities. Their motions are represented by the position-time graph. How long had driver A already been driving when driver B started to drive?

|A. |20 seconds |B. |60 seconds |C. |60 minutes |D. |20 minutes |

2. Two drivers (driver A and driver B) are traveling in opposite directions on a long, straight road at different constant velocities. Their motions are represented by the position-time graph. What happens at point P?

|A. |They turned |C. |Driver B jumped over Driver A |

|B. |They crashed |D. |They passed each other |

3. Two drivers (driver A and driver B) are traveling in opposite directions on a long, straight road at different constant velocities. Their motions are represented by the position-time graph. How long had driver A been driving when she was 30 km away from her starting point?

|A. |30 minutes |B. |30 seconds |C. |90 minutes |D. |90 seconds |

4. Two drivers (driver A and driver B) are traveling in opposite directions on a long, straight road at different constant velocities. Their motions are represented by the position-time graph. Which driver is faster?

|A. |Driver A |B. |Driver B |

The position-time graph below represents the motion of three people in an airport moving toward the same departure gate.

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5. Which person travels the farthest during the period shown?

|A. |C |B. |D |C. |A |D. |B |

6. Which person appears to be going to the wrong gate?

|A. |A |B. |C |C. |B |D. |D |

7. Which person travels fastest by riding a motorized cart?

|A. |A |B. |B |C. |D |D. |C |

8. A car is moving with a uniform speed of 15.0 m/s along a straight path. What is the distance covered by the car in 12.0 minutes?

|A. |1.08x101 km |B. |1.02x10–3 km |C. |1.80x10–1 km |D. |8.00x10–5 km |

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9. According to the graph above, during which interval does the cat have the greatest positive velocity?

|A. |5.0–10.0 s |B. |10.0–15.0 s |C. |0.0–5.0 s |D. |15.0–20.0 s |

10. According to the graph above, during which interval is the cat at rest?

|A. |15.0–20.0 s |B. |0.0–5.0 s |C. |5.0–10.0 s |D. |10.0–15.0 s |

11. According to the graph above, the cat has the fastest speed during which interval?

|A. |0.0–5.0 s |B. |10.0–15.0 s |C. |15.0–20.0 s |D. |5.0–10.0 s |

12. In a chosen coordinate system (reference point), can the position of an object in motion have negative values?

|A. |No |B. |Yes |

13. Which of the following line segments on a position versus time graph is physically impossible?

|A. |a vertical line |

|B. |a straight line that slopes to the left |

|C. |a horizontal line |

|D. |a straight line that slopes to the right |

14. A radio signal takes 1.28 s to travel from a transmitter on the Moon to the surface of Earth. The radio waves travel at 3.00x108 m/s. What is the distance, in kilometers, from the Moon to Earth?

|A. |384000000000km |C. |384km |

|B. |384000km |D. |384000000km |

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15. The graph shows the distance versus time for two cars traveling on a straight highway. Which car is traveling faster?

|A. |Car B |B. |Car A |

16. The graph shows the distance versus time for two cars traveling on a straight highway. At what time do they pass one another?

|A. |100s |B. |5.6s. |C. |560s |D. |17.86s |

17. The graph shows the distance versus time for two cars traveling on a straight highway. What can you determine about the relative direction of travel of the cars?

|A. |They are going in opposite directions. |

|B. |They are going the same speed |

|C. |They are going in the same direction. |

|D. |They are lost. |

18. The graph shows the distance versus time for two cars traveling on a straight highway. What is the speed of the slower car?

|A. |69.45m/s |C. |-10.23m/s |D. |10.23m/s |E. |19.87m/s |F. |-69.45m/s |

|B. |-19.87m/s |

19. The speed you read on a speedometer is ____.

|A. |instantaneous speed |C. |velocity |

|B. |constant speed |D. |average speed |

20. What does the slope of a position-time graph of an object give?

|A. |velocity |B. |acceleration |C. |displacement |D. |force |

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21. In the graph above, what is the correct description of any location to the left of the zero?

|A. |negative change of displacement |C. |negative distance |

|B. |negative position |D. |negative displacement |

22. The position-time graph of an object moving with a constant average velocity will produce what type of line

|A. |horizontal |C. |straight sloped |

|B. |curved sloped |D. |vertical |

23. Time interval is a?

|A. |scalar quantity |B. |vector quantity |

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24. Given is the position-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average velocity.

|A. |Nick |B. |Ian |

25. Which of the following is a pair of vector quantities?

|A. |Speed — Distance |C. |Velocity — Distance |

|B. |Velocity — Displacement |D. |Speed — Displacement |

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