# Quiz: Motion Graphs, Measurement And Equations

13 Questions  I  By Songj2
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## Questions and Answers

 1 Which of the following is a "scalar" quantity?
 A. Distance
 B. Velocity
 C. Acceleration
 D. Displacement
 E. None of the above
 2 The area under an acceleration-time graph always represents
 A. Displacement
 B. Distance
 C. Velocity
 D. Change in velocity
 E. Jerk
 3 The position-time graph that depicts a ball thrown vertically upward that returns to the same position is
 A. A
 B. B
 C. C
 D. D
 E. E
 4 The position-time graph pictured below represents the motions of two objects, A and B. Which of the following statements concerning the objects' motions is true?
 A. Object B travels the greater distance.
 B. Object A has the greater speed.
 C. Object A leaves the reference point at an earlier time.
 D. Both objects have the same speed at the point where the lines cross.
 E. Object A is travelling for a longer period of time.
 5 Kate and Michelle run with the same constant speed but in opposite directions.  The girls have
 A. Constant accelerations
 B. Different speeds
 C. Different velocities
 D. Constant positions
 E. The same displacement
 6 A ball is thrown vertically upward into the air. Which of the following acceleration-time graphs represents the ball's motion?
 A. A
 B. B
 C. C
 D. D
 E. E
 7 A car drives 6.0 km [E], then 8.0 km [W] in a total time of 0.30 h. What is the car's average velocity?
 A. 6.67 km/h [W]
 B. 6.67 km/h [E]
 C. 24 m/s [W]
 D. 47 km/h [E]
 E. 47 km/h [W]
 8 Using a variety of stopwatches, four students reported the time for a ball to drop to the ground from the same height. The recorded times were 1.85 s, 1.8 s, 1.9 s, and 2 s. The average time, expressed in the correct manner, is
 A. 1.888 s
 B. 1.89 s
 C. 1.8 s
 D. 1.9 s
 E. 2 s
 9 Jose Bautista hits a home run and runs around the bases.  Which pairs of quantities concerning his motion would both have values of zero?
 A. Displacement, average velocity
 B. Average speed, average acceleration
 C. Distance, average speed
 D. Average speed, average velocity
 E. Displacement, average speed
 10 An object is travelling north and slowing down. The directions associated with the object’s velocity and acceleration, respectively, are
 A. [S], [N]
 B. [N], [N]
 C. [S], [S]
 D. [N], [S]
 E. None of the above
 11 Which of the following descriptions best represents the acceleration-time graph of a car that pulls away from a corner when the light turns green, reaches and maintains a constant velocity, then slows down until it stops? Assume that all accelerations are uniform.
 A. All three sections of the graph are comprised of diagonal lines.
 B. All three sections of the graph are comprised of curved lines.
 C. Two sections of the graph are diagonal lines and one is horizontal.
 D. All three sections of the graph are comprised of horizontal lines.
 E. Two sections of the graph are horizontal lines and one is diagonal.
 12 Which of the following statements concerning motion graphs is NOT correct?
 A. The slope of a position-time graph gives velocity.
 B. The area under a velocity-time graph gives displacement.
 C. The slope of a velocity-time graph gives acceleration.
 D. The slope of the tangent in a position-time graph gives instantaneous velocity.
 E. The area under an acceleration-time graph gives displacement.
 13 Which of the following graphs shows acceleration?
 A. A and B
 B. C only
 C. D and E
 D. B and D
 E. A and E
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