E1t6 Preap Physics Numbers 11-15 2016

5 Questions | Total Attempts: 141

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E1t6 Preap Physics Numbers 11-15 2016

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Questions and Answers
  • 1. 
    11. The speed of a car will increase if the car’s
    • A. 

      A. initial velocity is positive and its acceleration is zero.

    • B. 

      B. initial velocity is positive and its acceleration is positive.

    • C. 

      C. initial velocity is positive and its acceleration is negative.

    • D. 

      D. initial velocity is negative and its acceleration is positive.

  • 2. 
    12.  For a scooter with a negative acceleration, which of the following statements is always true?
    • A. 

      A. The scooter is losing speed.

    • B. 

      B. The final velocity of the scooter will be negative.

    • C. 

      C. The initial velocity of the scooter will be greater than its final velocity.

    • D. 

      D. The scooter will have a negative displacement.

  • 3. 
    13. Four people are riding the bicycles along different paths.  Bicyclist 1 is traveling east at a constant speed of 10 mph.  Bicyclist 2 is traveling north at a constant speed of 5 mph.  Bicyclist 3 is traveling along a circular path at a constant speed of 7 mph.  Bicyclist 4 is traveling along a radius of Bicyclist 3's circular path at a constant speed of 20 mph.  Which of the bicyclists is accelerating along his/her path?
    • A. 

      A. Bicyclist 1

    • B. 

      B. Bicyclist 2

    • C. 

      C. Bicyclist 3

    • D. 

      D. Bicyclist 4

  • 4. 
    14. While a car travels around a circular track at constant speed, its
    • A. 

      A. acceleration is zero

    • B. 

      B. velocity is zero

    • C. 

      C. both a and b

    • D. 

      D. none of the above

  • 5. 
    15. Acceleration is defined as
    • A. 

      A. rate of displacement.

    • B. 

      B. the rate of change of displacement.

    • C. 

      C. the change in velocity.

    • D. 

      D. the rate of change of velocity.

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