Quiz: Physics Questions For 12th Grade Students!

23 Questions | Total Attempts: 7773

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Quiz: Physics Questions For 12th Grade Students!

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Questions and Answers
  • 1. 
    One possible unit of speed is
    • A. 

      Miles per hour

    • B. 

      Light years per century

    • C. 

      Kilometers per hour

    • D. 

      All of the above

    • E. 

      None of the above

  • 2. 
    When you look at the speedometer in a moving car, ou can see the car's
    • A. 

      Average distance traveled

    • B. 

      Intantaneous acceleration

    • C. 

      Average speed

    • D. 

      Instantanious speed

    • E. 

      Average acceleration

  • 3. 
    Acceleration is defined as the CHANGE in
    • A. 

      Time it takes to move from one place to another

    • B. 

      Velocity of an object

    • C. 

      Distance divided by the time interval

    • D. 

      Velocity divided by the time interval

    • E. 

      Time it takes to move from one speed to another speed

  • 4. 
    • A. 

      0.17 m/s^2

    • B. 

      1.67 m/s^2

    • C. 

      6 m/s^2

    • D. 

      18 m/s^2

  • 5. 
    As an object falls freely in a vacuum,its
    • A. 

      Velocity increases

    • B. 

      Acceleration increases

    • C. 

      Both a and b

    • D. 

      None of these

  • 6. 
    In the absense of air resistance,objects fall at constant
    • A. 

      Speed

    • B. 

      Velocity

    • C. 

      Acceleration

    • D. 

      Distance each successive speed

    • E. 

      All of the above

  • 7. 
    Suppose an object isd in free fall. each second the object falls
    • A. 

      The same distance as in the second before

    • B. 

      A larger distance than the second before

    • C. 

      With the same instantanious speed

    • D. 

      With the same average speed

    • E. 

      None of the above

  • 8. 
    If you drop a feather and a coin at the same time in a tube filled with air,which will reach the bottom first
    • A. 

      Feather

    • B. 

      Neither_ they will both reach the bottom at the same time

    • C. 

      Coin

  • 9. 
    Consider drops of water leaking from the water fauset. as the drops fall they
    • A. 

      Remain a fixed disstance

    • B. 

      Get farther

    • C. 

      Get clother

  • 10. 
    Suppose you take a trip that covers 180 km and takes 3 hours to make. your average speed is
    • A. 

      30 km/h

    • B. 

      60 km/h

    • C. 

      180 km/h

    • D. 

      360 km/h

    • E. 

      540 km/h

  • 11. 
    A ball is thrown straight up. At the top of its path its instantaneious speed is
    • A. 

      0 m/s

    • B. 

      About 5m/s

    • C. 

      10 m/s

    • D. 

      20 m/s

    • E. 

      50 m/s

  • 12. 
    A car accelerates at 2 m/s^2. Assuming the car starts from rest, how much time does it need to accelerate to a speed of 20 m/s?
    • A. 

      2 sec

    • B. 

      10 sec

    • C. 

      20 sec

    • D. 

      40 sec

    • E. 

      All of the above

  • 13. 
    If a freely falling object were somehow equipped with a speedometer,its speed reading would increase each second by
    • A. 

      About 5 m/s

    • B. 

      About 10 m/s

    • C. 

      About 15 m/s

    • D. 

      A variable amount

  • 14. 
    A freely falling object starts from res. after falling for 6 sec, it will have a speed of about
    • A. 

      6 m/s

    • B. 

      30 m/s

    • C. 

      60 m/s

    • D. 

      300 m/s

    • E. 

      More than 300 m/s

  • 15. 
    A freely falling object starts from rest. After falling for 1 sec, it will have a speed of about
    • A. 

      5 m/s

    • B. 

      10 m/s

    • C. 

      20 m/s

    • D. 

      40 m/s

    • E. 

      None of the above

  • 16. 
    Suppose a jumper claims a hang time of 2 sec. then that jumper must be able to jump vertical distance of
    • A. 

      1 m.

    • B. 

      2 m.

    • C. 

      3 m

    • D. 

      4 m

    • E. 

      5 m

  • 17. 
    A vector is a quantity that has
    • A. 

      Magnitude and time

    • B. 

      Time and direction

    • C. 

      Magnitude and direction

  • 18. 
    A scalar is a quantity that has
    • A. 

      Direction

    • B. 

      Magnitude

    • C. 

      Time

    • D. 

      Color

  • 19. 
    Whichof the following would not be considered a projectle?
    • A. 

      A cannonball thrown straight up

    • B. 

      A cannonball rolling down a slope

    • C. 

      A cannonball rolling off the egde of a table

    • D. 

      A cannonball thrown throught thee air

    • E. 

      All of the above are projectiles

  • 20. 
    The hortizontal component of a projectile's velocity is independent of
    • A. 

      The range of the projectile

    • B. 

      Time

    • C. 

      The vertical component of its velocity

  • 21. 
    In absence of air friction, the hortizontal component of a projectile's velocity doesnt change as the projectile moves.
    • A. 

      Sometimes true

    • B. 

      Always true

    • C. 

      Always false

  • 22. 
    At the instant a ball is thrown hortizontally with a large force, an identical ball is dropped from the same height. which ball hits the ground first?
    • A. 

      Neither. they both will hit the ground at the same time

    • B. 

      The dropped ball

    • C. 

      The hortizontally thrown ball

  • 23. 
    In the absence of air resistance, the angle at which a thrown ball will go the farthest is
    • A. 

      15 degrees

    • B. 

      30 degrees

    • C. 

      45 degrees

    • D. 

      60 degrees

    • E. 

      75 degrees