Honors Physics. Motion in 1D Review Questions
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1 Honors Physics Motion in 1D Review Questions Name Date 1. An object moves at a constant speed of 6 m/s. This means that the object: A. Increases its speed by 6 m/s every second B. Decreases its speed by 6 m/s every second C. Doesn t move D. Has a positive acceleration E. Moves 6 meters every second 2. A toy car moves 8 m in 4 s at the constant velocity. What is the car s velocity? A. 1 m/s B. 2 m/s C. 3 m/s D. 4 m/s E. 5 m/s 3. A train moves at a constant velocity of 50 km/h. How far will it move in 0.5 h? A. 10 km B. 20 km C. 25 km D. 45 km E. 50 km 4. A boat can move at a constant velocity of 8 km/h in still water. How long will it take for the boat to move 24 km? A. 2 h B. 3 h C. 4 h D. 6 h E. 8 h The graph below represents the relationship between velocity and time for an object moving in a straight line. Use this graph to answer questions 5 and Which of the following statements is true? A. The object speeds up B. The object slows down C. The object moves with a constant velocity D. The object stays at rest E. The object is in free fall 6. What is the velocity of the object at 5 s? A. 1 m/s B. 2 m/s C. 3 m/s D. 4 m/s E. 5 m/s The following graph represents the position as a function of time for a moving object. Use this graph to answer questions 7 and Which of the following is true? A. The object increases its velocity B. The object decreases its velocity C. The object s velocity stays unchanged D. The object stays at rest E. More information is required 8. What is the velocity of the object? A. 4 m/s B. 20 m/s C. 8 m/s D. 40 m/s E. 5 m/s 1
2 The following graph represents the position as a function of time of a moving object. Use this graph for questions 9 and What is the initial position of the object? A. 2 m B. 4 m C. 6 m D. 8 m E. 10 m 10. What is the velocity of the object? A. 5 m/s B. -5 m/s C. 10 m/s D. -10 m/s E. 0 m/s 11. Which of the following is a vector quantity? A. Speed B. Time C. Traveled distance D. Velocity E. Area 12. Starting from the origin, a person walks 6 km east during first day, and 3 km east the next day. What is the net displacement of the person from the initial point in two days? A. 6 km, west B. 3 km, east C. 10 km, east D. 5 km, west E. 9 km, east The diagram above illustrates a car that, starting from the origin, travels 4 km east and then 7 km west. Use it to answer questions 13 and What is the net displacement of the car from the initial point? A. 3 km, west B. 3 km, east C. 4 km, east D. 7 km, west E. 7 km east 14. Starting from the origin, a car travels 4 km east and then 7 km west. What is the traveled distance of the car from the initial point? A. 3 km B. 3 km C. 4 km D. 7 km E. 11 km 15. An object moves with a constant acceleration of 5 m/s 2. Which of the following statements is true? A. The object s velocity stays the same B. The object moves 5 m each second C. The object s acceleration increases by 5 m/s 2 each second D. The object s acceleration decreases by 5 m/s 2 each second E. the object s velocity increases by 5 m/s each second 2
3 16. A truck travels east with an increasing velocity. Which of the following is the correct direction of the car s acceleration? 17. A motorbike travels east and begins to slow down before a traffic light. Which of the following is the correct direction of the motorbike s acceleration? The position vs. time graph of a moving object is shown to the right. Use this graph to answer questions 18 through What is the average speed from 0 s to 4 s? A. 0.5 m/s B. 1 m/s C. 2 m/s D. 3 m/s E. 4 m/s 19. What is the average speed from 4 s to 8 s? A. 0.5 m/s B. 1 m/s C. 2 m/s D. 3 m/s E. 4 m/s 20. What is the object s position at 6 s? A. 2 m B. 1 m C. 3 m D. 7 m E. 9 m 21. What is the average acceleration from 4 s to 8 s? A. 0 m/s 2 B. 1 m/s 2 C. 2 m/s 2 D. 3 m/s 2 E. 4 m/s 2 3
4 22. Which of the following is the velocity vs. time graph that corresponds to the position versus time graph? A. B. C. 23. A car and a delivery truck both start from rest and accelerate at the same rate. However, the car accelerates for twice the amount of time as the truck. What is the final speed of the car compared to the truck? A. Half as much B. The same C. Twice as much D. Four times as much E. One quarter as much 24. A car and a delivery truck both start from rest and accelerate at the same rate. However, the car accelerates for twice the amount of time as the truck. What is the traveled distance of the car compared to the truck? A. Half as much B. The same C. Twice as much D. Four times as much E. One quarter as much 25. An object is released from rest and falls in the absence of air resistance. Which of the following is true about its motion? A. Its acceleration is zero B. Its acceleration is constant C. Its velocity is constant D. Its acceleration is increasing E. Its velocity is decreasing 4
5 A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back to point C, as illustrated by the picture to the right. Use this for questions Which of the following is true about the direction the ball s velocity and acceleration between A and B? 27. Which of the following is true about the direction the ball s velocity and acceleration between B and C? 28. Which of the following is true about the ball s velocity and acceleration the highest point B? A. Its velocity and acceleration are both zero B. Its velocity is up and non-zero constant and acceleration is zero C. Its velocity is down and non-zero constant and acceleration is zero D. Its velocity is zero and acceleration is up and non-zero constant E. Its velocity is zero and acceleration is down and non-zero constant 29. A football, a hockey puck, and a tennis ball all fall down in the absence of air resistance. Which of the following is true about their acceleration? A. The acceleration of the football is greater than the other two B. The acceleration of the hockey puck is greater than the other two C. The acceleration of the tennis ball is greater than the other two D. They all fall down with the same constant acceleration E. More information is required 30. A package is dropped from an air balloon two times. In the first trial the distance between the balloon and the surface is H and in the second trial 4H. Compare the time it takes for the package to reach the surface in the second trial to that in the first trial? A. The time in the second trial is four times greater B. The time in the second trial is two times greater C. The time the same in both trials because it doesn t depend on height D. The time in the second trial is four times less E. The time in the second trial is two times les 5
6 31. A tennis ball is dropped from the top of a tall building. A second tennis ball is thrown down from the same building. Make a statement about the acceleration of each tennis ball. A. The first ball falls with a greater acceleration B. The second ball falls with a greater acceleration C. They both fall with the same acceleration because they stated from the same height D. The both fall with the same acceleration because they are in a free fall E. More information is required The velocity as a function of time of a moving object is presented by the graph to the right. Use this graph for questions 32 through What is the acceleration of the object between 0 s and 2 s? A. 0 m/s 2 B. 1 m/s 2 C. 2 m/s 2 D. 3 m/s 2 E. 4m/s What is the acceleration of the object between 2 s and 6 s? A. 0 m/s 2 B. 1 m/s 2 C. 2 m/s 2 D. 3 m/s 2 E. 4m/s What is the magnitude of acceleration of the object between 6 s and 10 s? A. 0 m/s 2 B. 1 m/s 2 C. 2 m/s 2 D. 3 m/s 2 E. 4m/s How far from the origin does the object move in first 2 s? A. 4 m B. 16 m C. 20 m D. 28 m E. 36 m 36. How far from the origin does the object move in first 6 s? A. 4 m B. 16 m C. 20 m D. 28 m E. 36 m 37. How far from the origin does the object move in first 10 s? A. 4 m B. 16 m C. 20 m D. 28 m E. 36 m 6
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