Quiz: Physics Questions For 12th Grade Students!

23 Questions | By Ms. Womack | Updated: Mar 21, 2022 | Attempts: 8614

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Quiz: Physics Questions For 12th Grade Students! - Quiz

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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 car starts from rest and after 7 sec. it is moving at 42 m/s. what is the car's average acceleration?
- 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