QuickCheck 2.1 Here is a motion diagram of a car moving along a straight road: Which position-versus-time graph matches this motion diagram? Answer: E.

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Presentation transcript:

QuickCheck 2.1 Here is a motion diagram of a car moving along a straight road: Which position-versus-time graph matches this motion diagram? Answer: E © 2015 Pearson Education, Inc. 1

QuickCheck 2.1 Here is a motion diagram of a car moving along a straight road: Which position-versus-time graph matches this motion diagram? Answer: E E. © 2015 Pearson Education, Inc. 2

QuickCheck 2.2 Here is a motion diagram of a car moving along a straight road: Which velocity-versus-time graph matches this motion diagram? None of the above. Answer: C © 2015 Pearson Education, Inc. 3

QuickCheck 2.2 Here is a motion diagram of a car moving along a straight road: Which velocity-versus-time graph matches this motion diagram? None of the above. Answer: C C. © 2015 Pearson Education, Inc. 4

QuickCheck 2.3 Here is a motion diagram of a car moving along a straight road: Which velocity-versus-time graph matches this motion diagram? Answer: D © 2015 Pearson Education, Inc. 5

QuickCheck 2.3 Here is a motion diagram of a car moving along a straight road: Which velocity-versus-time graph matches this motion diagram? D. © 2015 Pearson Education, Inc. 6

QuickCheck 2.4 A graph of position versus time for a basketball player moving down the court appears as follows: Which of the following velocity graphs matches the position graph? Answer: C A. B. C. D. © 2015 Pearson Education, Inc.

QuickCheck 2.4 A graph of position versus time for a basketball player moving down the court appears as follows: Which of the following velocity graphs matches the position graph? A. B. C. D. © 2015 Pearson Education, Inc.

QuickCheck 2.5 The slope at a point on a position-versus-time graph of an object is The object’s speed at that point. The object’s velocity at that point. The object’s acceleration at that point. The distance traveled by the object to that point. I am not sure. Answer: B © 2015 Pearson Education, Inc. 9

QuickCheck 2.5 The slope at a point on a position-versus-time graph of an object is The object’s speed at that point. The object’s velocity at that point. The object’s acceleration at that point. The distance traveled by the object to that point. I am not sure. © 2015 Pearson Education, Inc. 10

QuickCheck 2.6 A graph of velocity versus time for a hockey puck shot into a goal appears as follows: Which of the following position graphs matches the velocity graph? Answer: D A. B. C. D. © 2015 Pearson Education, Inc.

QuickCheck 2.6 A graph of velocity versus time for a hockey puck shot into a goal appears as follows: Which of the following position graphs matches the velocity graph? A. B. C. (d) D. © 2015 Pearson Education, Inc.

QuickCheck 2.7 Which velocity-versus-time graph goes with this position graph? Answer: C © 2015 Pearson Education, Inc. 13

QuickCheck 2.7 Which velocity-versus-time graph goes with this position graph? C. © 2015 Pearson Education, Inc. 14

QuickCheck 2.8 Here is a position graph of an object: At t = 1.5 s, the object’s velocity is 40 m/s 20 m/s 10 m/s –10 m/s None of the above Answer: B © 2015 Pearson Education, Inc. 15

QuickCheck 2.8 Here is a position graph of an object: At t = 1.5 s, the object’s velocity is 40 m/s 20 m/s 10 m/s –10 m/s None of the above © 2015 Pearson Education, Inc. 16

QuickCheck 2.9 When do objects 1 and 2 have the same velocity? At some instant before time t0 At time t0 At some instant after time t0 Both A and B Never Answer: A © 2015 Pearson Education, Inc. 17

QuickCheck 2.9 When do objects 1 and 2 have the same velocity? At some instant before time t0 At time t0 At some instant after time t0 Both A and B Never Same slope at this time © 2015 Pearson Education, Inc. 18

QuickCheck 2.10 Masses P and Q move with the position graphs shown. Do P and Q ever have the same velocity? If so, at what time or times? P and Q have the same velocity at 2 s. P and Q have the same velocity at 1 s and 3 s. P and Q have the same velocity at 1 s, 2 s, and 3 s. P and Q never have the same velocity. Answer: A © 2015 Pearson Education, Inc.

QuickCheck 2.10 Masses P and Q move with the position graphs shown. Do P and Q ever have the same velocity? If so, at what time or times? P and Q have the same velocity at 2 s. P and Q have the same velocity at 1 s and 3 s. P and Q have the same velocity at 1 s, 2 s, and 3 s. P and Q never have the same velocity. © 2015 Pearson Education, Inc.

QuickCheck 2.13 A car moves along a straight stretch of road. The following graph shows the car’s position as a function of time: At what point (or points) do the following conditions apply? The displacement is zero. The speed is zero. The speed is increasing. The speed is decreasing. © 2015 Pearson Education, Inc.

QuickCheck 2.13 A car moves along a straight stretch of road. The following graph shows the car’s position as a function of time: At what point (or points) do the following conditions apply? The displacement is zero. D The speed is zero. B, E The speed is increasing. C The speed is decreasing. A © 2015 Pearson Education, Inc.

QuickCheck 2.19 A cart slows down while moving away from the origin. What do the position and velocity graphs look like? Answer: D © 2015 Pearson Education, Inc.

QuickCheck 2.19 A cart slows down while moving away from the origin. What do the position and velocity graphs look like? D. © 2015 Pearson Education, Inc.

QuickCheck 2.20 A cart speeds up toward the origin. What do the position and velocity graphs look like? Answer: C © 2015 Pearson Education, Inc.

QuickCheck 2.20 A cart speeds up toward the origin. What do the position and velocity graphs look like? C. © 2015 Pearson Education, Inc.