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Term 2 Final Review 2 - Momentum and Wave

Total questions: 56

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
2.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
3.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
4.
Determine the momentum of 1000-kg car moving southward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
5.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
6.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision.  What is the velocity of the second ball after the collision? 
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
7.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s 
d)
None of these
8.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
9.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
10.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than 
b)
less than 
c)
equal to
d)
unrelated to
11.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
12.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
13.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
14.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
15.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
16.
What is Newton's Third Law?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
b)
Force = mass x acceleration
c)
For every action there is an equal and opposite reaction
17.

In order for an object to have momentum it must be ________

a)

moving

b)

motionless

c)

alive

d)

asleep

18.

Momentum is represented with which letter?

a)

b

b)

m

c)

v

d)

p

19.

If an object velocity is 0 m/s which of the is true.

a)

The object has momentum

b)

The object's momentum is changing

c)

The object has NO momentum

20.

What do all waves transfer?

a)

Matter

b)

Heat

c)

Electricity

d)

Energy

21.

Which of the following can waves transfer energy through?

a)

solid

b)

liquid

c)

gas

d)

empty space

e)

all of the above

22.

What are the two types of waves?

a)

longitudinal and transverse

b)

sound and light

23.

What is the number of complete waves passing a fixed point in a given amount of time?

a)

Amplitude

b)

Intensity

c)

Wavelength

d)

Frequency

24.

What is the frequency of this wave? You must count the number of complete waves.

a)

1 Hz

b)

5 Hz

c)

10 Hz

25.

What is frequency measured in?

a)

Milliseconds

b)

Miles

c)

Hertz

d)

Kilograms

26.

Period of a wave refers to...

a)

how long it takes for the event to repeat.

b)

how strong a wave is.

c)

how long a wave is.

d)

how much energy a wave has.

27.

Which type of waves have the longest wavelength?

a)

Visible light

b)

Radio waves

c)

X-rays

d)

Gamma-Rays

28.

Wavelengths are usually measured in ....

a)

seconds

b)

Hz

c)

inches

d)

meters

29.

Shorter wave lengths can carry more energy. Which of these probably carries the MOST energy:

a)

Infrared light

b)

Visible light

c)

X-rays

d)

UV light

30.

What does #1 represent?

a)

Period

b)

Frequency

c)

Wavelength

d)

Amplitude

31.

What does #2 represent?

a)

Period

b)

Frequency

c)

Wavelength

d)

Amplitude

32.

What does #3 represent?

a)

Period

b)

Frequency

c)

Wavelength

d)

Amplitude

33.

The lowest part of a transverse wave are the

a)

crests

b)

troughs

c)

wave points

d)

low nodules

34.

The highest part of a transverse wave is

a)

the crest

b)

the trough

c)

the wave point

d)

the hotel transylvania

35.

The distance between two corresponding parts of a wave is its

a)

amplitude

b)

frequency

c)

wavelength

d)

velocity

36.

The height of the wave from its resting point is called its

a)

wavelength

b)

amplitude

c)

velocity

d)

frequency

37.

A wave that needs a medium to travel is called a(n)

a)

electromagnetic wave

b)

mechanical wave

c)

ocean wave

d)

any way can do this

38.

A wave that can travel with or without a medium is called a(n)

a)

electromagnetic wave

b)

mechanical wave

c)

surface wave

d)

all waves can travel in any way

39.

Longitudinal waves have:

a)

crests and troughs

b)

crests and compressions

c)

compressions and rarefactions

d)

troughs and rarefactions

40.

Transverse waves have:

a)

crests and troughs

b)

troughs and rarefactions

c)

compressions and contractions

d)

rarefactions and crests

41.

True or False: Amplitude can increase or decrease wavelength

a)

True, amplitude can increase or decrease wavelength

b)

False, frequency can increase or decrease wavelength

c)

False, crests can increase or decrease wavelength

42.

What is the amplitude of this wave?

a)

3

b)

-3

c)

6

d)

4

43.

What is the wavelength of this wave?

a)

3

b)

10

c)

4

d)

8

44.

What happens to the frequency of a wave when the amplitude is tripled?

a)

the frequency is tripled

b)

the frequency is a third of what it was

c)

amplitude does not affect frequency

45.

What would happen to the wavelength if the frequency was doubled?

a)

the wavelength would be halved

b)

the wavelength would be doubled

c)

the wavelength would stay the same

d)

frequency does not affect wavelength

46.

What would happen to the frequency is the wavelength was tripled?

a)

the frequency would be a third of what it was

b)

the frequency would be 3 times larger

c)

the frequency would stay the same

d)

the wavelength does not affect the frequency of a wave

47.

What is the amplitude of this wave?

a)

3

b)

-3

c)

6

d)

4

48.

What is the wavelength of this wave?

a)

3

b)

8

c)

10

d)

4

49.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
50.
Which wave has the largest frequency?
a)
A
b)
B
c)
C
d)
None (same frequency)
51.
Which type of light has the lowest energy of this group?
a)
Radio
b)
Microwave
c)
Infrared
d)
Ultraviolet
52.
Which type of light has the largest wavelength of this group?
a)
X-rays
b)
Microwave
c)
Infrared
d)
Ultraviolet
53.

What type of waves do not require a medium to travel?

a)

Sound

b)

Mechanical

c)

Electromagnetic

d)

Longitudinal

54.

What is different about the speed of sound waves vs. the speed of light?

a)

sound waves are the FASTEST in solids (high density), while light waves are the FASTEST in gas (or no molecules)

b)

sound waves are the FASTEST in gas (low density), while light waves are the FASTEST in solids

c)

Both have the same speed all the time

d)

Both are the FASTEST in the air or gas (low density)

55.

If a satellite or spaceship explodes in outer space, you can see the explosion from a distance but you cannot hear it. Why?

a)

Light waves travel very slow and sound waves travel much faster.

b)

Sound waves transmit energy while light does not transmit energy.

c)

Sound is a mechanical wave and needs a medium to travel through while light is an electromagnetic wave.

d)

Light is a mechanical wave and needs a medium to travel through while sound is an electromagnetic wave.

56.

Which image represents a longitudinal wave?

a)

A

b)

B

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