E1t6 Preap Physics Numbers 11-15 2016

5 Questions | Attempts: 144
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    11. The speed of a car will increase if the car’s

    • A. initial velocity is positive and its acceleration is zero.
    • B. initial velocity is positive and its acceleration is positive.
    • C. initial velocity is positive and its acceleration is negative.
    • D. initial velocity is negative and its acceleration is positive.
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E1t6 Preap Physics Numbers 11-15 2016 - Quiz

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  • 2. 

    15. Acceleration is defined as

    • A. rate of displacement.

    • B. the rate of change of displacement.

    • C. the change in velocity.

    • D. the rate of change of velocity.

    Correct Answer
    A. D. the rate of change of velocity.
  • 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. Bicyclist 1

    • B. Bicyclist 2

    • C. Bicyclist 3

    • D. Bicyclist 4

    Correct Answer
    A. C. Bicyclist 3
  • 4. 

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

    • A. The scooter is losing speed.

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

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

    • D. The scooter will have a negative displacement.

    Correct Answer
    A. C. The initial velocity of the scooter will be greater than its final velocity.
  • 5. 

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

    • A. acceleration is zero

    • B. velocity is zero

    • C. both a and b

    • D. none of the above

    Correct Answer
    A. B. velocity is zero

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  • Mar 21, 2022
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  • Aug 29, 2015
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