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1 Name: ate: 1. blinking light of constant period is situated on a lab cart. Which diagram best represents a photograph of the light as the cart moves with constant velocity? What is the average velocity of a car that travels 30. kilometers due west in 0.50 hour?. 15 km/hr. 60. km/hr. 15 km/hr west. 60. km/hr west 6. ase your answer(s) to the following question(s) on the graph, which represents the relationship between the displacement of an object and its time of travel along a straight line. 2. Which is a scalar quantity. displacement. distance. force. acceleration 3. car travels 20 meters east in 1.0 second. The displacement of the car at the end of this 1.0-second interval is. 20 m. 20 m/s. 20 m east. 20 m/s east 4. car is driven from uffalo to lbany and on to New York ity, as shown in the diagram. ompared to the magnitude of the car s total displacement, the distance driven is What is the magnitude of the object s total displacement after 8.0 seconds?. 0 m. 2 m. 8 m. 16 m. shorter. longer. the same page 1
2 The accompanying graph represents the motion of an object. ccording to the graph, as time increases, the velocity of the object The accompanying map shows the route traveled by a school bus. What is the magnitude of the total displacement of the school bus from the start to the end of its trip?. 400 m. 500 m. 800 m. 1,800 m. decreases. increases. remains the same 11. The accompanying graph shows the velocity of a race car moving along a straight line as a function of time. 8. Which pair of graphs represent the same motion?.... What is the magnitude of the displacement of the car from t = 2.0 seconds to t = 4.0 seconds?. 20. m. 40. m. 60. m. 80. m 12. Velocity is to speed as displacement is to 9. s a cart travels around a horizontal circular track, the cart must undergo a change in. velocity. inertia. acceleration. time. momentum. distance. speed. weight page 2
3 13. Which graph best represents the relationship between the velocity of an object thrown straight upward from Earth s surface and the time that elapses while it is in the air? [Neglect friction.] 15. The graph below represents the velocity of an object traveling in a straight line as a function of time... etermine the magnitude of the total displacement of the object at the end of the first 6.0 seconds steel ball is dropped from a height of 100 meters. Which velocity-time graph best describes the motion of the ball? The speedometer in a car does not measure the car s velocity because velocity is a. vector quantity and has a direction associated with it. vector quantity and does not have a direction associated with it. scalar quantity and has a direction associated with it. scalar quantity and does not have a direction associated with it 17. The uniform motion of a cart is shown in the distance versus time graph. What is the average speed of the cart?. 0.5 m/sec. 2 m/sec. 5 m/sec. 50 m/sec page 3
4 18. The graph shown represents the relationship between velocity and time for a 2.0-kilogram cart that is initially at rest and starts moving northward. 21. n object accelerates uniformly from rest to a speed of 50 meters per second in 5.0 seconds. The average speed of the object during the 5.0-second interval is. 5.0 m/s. 10 m/s. 25 m/s. 50 m/s In which direction is the cart that is shown traveling at t = 4 seconds? 22. jogger accelerates at a constant rate as she travels 5.0 meters along a straight track from point to point, as shown in the diagram. If her speed was 2.0 meters per second at point and will be 3.0 meters per second at point, how long will it take her to go from to?. north. east. south. west 19. blinking light of constant period is situated on a lab cart. Which diagram best represents a photograph of the light as the cart moves with constant velocity? The graph shown represents the relationship between distance and time for an object in motion. uring which interval is the speed of the object changing?.... E. 1.0 s. 2.0 s. 3.3 s. 4.2 s 23. car travels between the 100-meter and 250-meter highway markers in 10 seconds. The average speed of the car during this interval is. 10 m/s. 15 m/s. 25 m/s. 35 m/s 24. car having an initial speed of 16 meters per second is uniformly brought to rest in 4.0 seconds. How far does the car travel during this 4.0-second interval?. 32 m. 82 m. 96 m. 4.0 m 25. runner starts from rest and accelerates uniformly to a speed of 8.0 meters per second in 4.0 seconds. The magnitude of the acceleration of the runner is m/s m/s m/s m/s 2 page 4
5 26. The accompanying diagram represents the relationship between velocity and time of travel for four cars,,,, and, in straight-line motion. Which car has the greatest acceleration during the time interval 10. seconds to 15 seconds?.... page 5
6 Problem-ttic format version c Educide Software Licensed for use by Mark Williams Terms of Use at 09/29/ m
8. As a cart travels around a horizontal circular track, the cart must undergo a change in (1) velocity (3) speed (2) inertia (4) weight
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