Sir Eman's Online Physics Quiz No. 03

16 Questions | Total Attempts: 119

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Sir Eman

Topic: Describing Linear and Non-Linear MotionTime Limit: 30 minutesReminders:+ Provide the Necessary Information. Type your WHOLE NAME. No nicknames please. + The quiz is TIMED. You can only answer the quiz within the set amount of time given to you. + You might need scratch paper for some problems. (yes may SOLVING po)+ Open books and notebooks. Yes calculators. Yes internet (kung andun ba ang sagot eh)+ Have your calculators ready beside you. You might be computing something =]+ IP Detection is enabled. Therefore: I can track your individual IP addresses, I can determine the TIME you took the quiz, I know how long it took you to answer the quiz, etc. + You are only allowed to take the quiz ONCE. PS: + If i ever detected CHEATING (e. G.


Questions and Answers
  • 1. 
    The average speed of a horse that gallops a distance of 10 kilometers in a time of 30 minutes is ______.express answers in kph. example: 90 kph
  • 2. 
    As an object freely falls, its
    • A. 

      Velocity increases

    • B. 

      Acceleration increases

    • C. 

      Both of these

    • D. 

      None of these

  • 3. 
    If an object falls with constant acceleration, the velocity of the object must
    • A. 

      Be constant also.

    • B. 

      Continually change by the same amount each second.

    • C. 

      Continually change by varying amounts depending on its speed.

    • D. 

      Continually decrease.

    • E. 

      None of these

  • 4. 
    Drop a rock from a 5-m height and it accelerates at 10 m/s2 and strikes the ground 1 second later. Drop the same rock from a height of 10 m and its acceleration of fall is
    • A. 

      About half

    • B. 

      About double

    • C. 

      The same

    • D. 

      More than double

  • 5. 
    At one instant an object in freefall is moving downward at 50 m/s. One second later its speed is about
    • A. 

      25 m/s

    • B. 

      50 m/s

    • C. 

      55 m/s

    • D. 

      60 m/s

    • E. 

      100 m/s

  • 6. 
    At one instant an object in freefall is moving upward at 50 m/s. One second later its speed is about
    • A. 

      100 m/s

    • B. 

      60 m/s

    • C. 

      55 m/s

    • D. 

      50 m/s

    • E. 

      40 m/s

  • 7. 
    While a car travels aroud a circular track at constant speed its
    • A. 

      Acceleration is zero

    • B. 

      Velocity is zero

    • C. 

      Both of these

    • D. 

      None of these

  • 8. 
    An apple falls from a tree and hits the ground 5 meters below. It hits the ground with a speed of about
    • A. 

      5 m/s

    • B. 

      10 m/s

    • C. 

      15 m/s

    • D. 

      20 m/s

    • E. 

      Not enough information was given to estimate

  • 9. 
    Motion that is under the influence of gravity alone.
  • 10. 
    When a rock thrown straight upwards gets to the exact top of its path, its
    • A. 

      Velocity is zero and its acceleration is zero.

    • B. 

      Velocity is zero and its acceleration is about 10 m/s^2

    • C. 

      Velocity is about 10 m/s and its acceleration is zero.

    • D. 

      Velocity is about 10 m/s and its acceleration is about 10 m/s^2

  • 11. 
    If a projectile is fired straight up at a speed of 30 m/s, the total time to return to its starting position is about
    • A. 

      3 seconds

    • B. 

      4 seconds

    • C. 

      5 seconds

    • D. 

      6 seconds

  • 12. 
    Uniformly accelerated motion that is a combination of horizontal and vertical motion that is independent of one another.
  • 13. 
    It is the path followed by a projectile thrown at an angle.
  • 14. 
    A bullet is dropped from the top of the Empire State Building while another is fired downward from the same location. Neglecting air resistance, the acceleration
    • A. 

      Of the fired bullet is greater

    • B. 

      Of the dropped bullet is greater

    • C. 

      Each bullet is 9.8 m/s^2

    • D. 

      Malay ko ba? anung klaseng tanong ito?

  • 15. 
    Which two graphs best represent the motion of an object falling freely from rest near the Earth's surface?
    • A. 

      Set 1

    • B. 

      Set 2

    • C. 

      Set 3

    • D. 

      Set 4

  • 16. 
    Which graph best represents the motion of a block accelerating uniformly down an inclined plane?
    • A. 

      (1)

    • B. 

      (2)

    • C. 

      (3)

    • D. 

      (4)

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