Velocity And Acceleration Quiz

5 Questions  I  By Bilbojaggens
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  • 1. 
    A group of bike riders took a 4.0-hour trip. During the first 3.0 hours, they traveled a total of 50. kilometers, but during the last hour they traveled only 10. kilometers. What was the group's average speed for the entire trip?
    • A. 

      40. km/hr

    • B. 

      30. km/hr

    • C. 

      15 km/hr

    • D. 

      60. km/hr


  • 2. 
    One car travels 40. meters due east in 5.0 seconds, and a second car travels 64 meters due  east in 8.0 seconds. During their periods of travel, the cars definitely had the same
    • A. 

      Total displacement

    • B. 

      Average velocity

    • C. 

      Average speed

    • D. 

      Change in momentum


  • 3. 
    The speed of a car is decreased uniformly from 30. meters per second to 10. meters per second in 4.0 seconds. The magnitude of the car's acceleration is
    • A. 

      5.0 m/s2

    • B. 

      10. m/s2

    • C. 

      40. m/s2

    • D. 

      20. m/s2


  • 4. 
    A car having an initial velocity of 12 meters per second east slows uniformly to 2 meters per second east in 4.0 seconds. What is the acceleration of the car during this 4.0-second interval?
    • A. 

      2.5 m/s2 west

    • B. 

      2.5 m/s2 east

    • C. 

      6.0 m/s2 east

    • D. 

      6.0 m/s2 west


  • 5. 
    Two cars, A and B, are 400. meters apart. Car A travels dueeast at 30. meters per second on a collision course withcar B, which travels due west at 20. meters per second. Howmuch time elapses before the two cars collide?1) 2) 8.0 s3) 20. s4) 40. s
    • A. 

      13 s

    • B. 

      8.0 s

    • C. 

      20. s

    • D. 

      40. s


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