# Quiz: Physics Questions For 12th Grade Students!

23 Questions | Total Attempts: 8093  Settings  .

Related Topics
• 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.

• 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.

• B.

• C.

• 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