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ACP Spring 2023 Review

Total questions: 138

Worksheet time: 5hrs 50mins

Name
Class
Date
1.

In the equation E = mc2 what does the E stand for?

a)

energy

b)

efficiency

c)

exertion

d)

endurance

2.

In the equation E = mc2 what does the variable C represent?

a)

change

b)

compression

c)

speed of light

d)

speed of sound

3.

What is an example of mass converting to energy?

a)

a car running on gasoline

b)

a battery powering a flashlight

c)

a person lifting a heavy object

d)

nuclear power plant generating electricity

4.

What is an important difference of classical and modern physics as it relates to mass and energy?

a)

Classical physics is concerned only with macroscopic objects, while modern physics deals with subatomic particles

b)

In classical physics, mass and energy are both measured in the same units, while in modern physics, they are measured in different units

c)

In classical physics, mass is conserved while energy is not, but in modern physics, both mass and energy are conserved

d)

Modern physicists think of mass as a type of energy. The total mass and energy of a system remains unchanged.

5.

Who created the equation E = mc2?

a)

Niels Bohr

b)

Albert Einstein

c)

Isaac Newton

d)

Galileo Galilei

6.

What is E = mc2 also known as?

a)

Law of Conservation of Energy

b)

Coulomb's Law

c)

Mass-energy equivalence

d)

Zeroth's Law

7.

What is the energy in the equation E = mc2 also known as? rest-mass energy of any particle.

a)

kinetic energy

b)

potential energy

c)

thermal energy

d)

rest-mass energy

8.

One gram of any substance has a rest-mass energy of _____?

a)

9 x 1013 J

b)

913 J

c)

9000 J

d)

9 x 10-13

9.

Why can't we access the large rest-mass energy inherent in all particles?

a)

only accessible in highly controlled laboratory conditions

b)

too dangerous to harness

c)

rest-mass energy of particles is a theoretical concept and cannot be observed in the real world

d)

most of the atoms in the world around us are very stable

10.

The difference between the mass of the atom and the sum of the masses of its parts is called the _______.

a)

mass-defect

b)

electron affinity

c)

isotope

d)

fission paradox

11.

Light has both characteristics of a wave and a _____?

a)

magnet

b)

charge

c)

force

d)

particle

12.

What is the type of force responsible for the difference between the mass of an atom and the sum of the masses of its individual protons, neutrons, and electrons or its mass-defect.

a)

Strong Force

b)

Weak Force

c)

Gravitational Force

d)

Electromagnetic Force

13.

Albert Einstein proposed that light is composed of discrete, separate packets or quanta which later came to be called _______?

a)

electrons

b)

photons

c)

quarks

d)

particulates

14.

Heinrich Hertz observed a property of light called the ________ effect. Under certain conditions, electromagnetic radiation causes materials to emit electrons. The electrons are emitted only if the frequency of the radiation is above a certain level.

a)

tetragrammic

b)

photoelectric

c)

threshold

d)

Hertz

15.

The emission spectrum of an element depends upon the configuration of its ______.

a)

protons

b)

neturons

c)

electrons

d)

atomic mass

16.

What kind(s) of energy is(are) in a person climbing a ladder?

a)

Potential

b)

Kinetic

c)

Both

d)

Need the mass of the person to determine.

17.

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

a)

The PE and KE increase and decrease together

b)

The PE decreases while the KE increases

c)

Impossible to know without knowing the mass

d)

The PE and the KE decrease and increase together.

18.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
19.

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

a)

The total amount of energy is conserved

b)

The total amount of energy is less after a reaction

c)

The total amount of energy is more after a reaction

d)

Need the mass of the object to determine if energy is conserved.

20.

When velocity triples, kinetic energy increases by ______ times. KE =1/2mv2

a)

9

b)

3

c)

1.5

d)

4.5

21.

What is the Total Mechanical Energy at point A?

a)

500,000 J

b)

400,000 J

c)

200,000 J

d)

50,000 J

22.

What is the Kinetic Energy at point B?

a)

500,000 J

b)

400,000 J

c)

300,000 J

d)

50,000 J

23.

What is the Kinetic Energy at point C?

a)

500,000 J

b)

400,000 J

c)

300,000 J

d)

50,000 J

24.

What is the Kinetic Energy at point D?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

50,000 J

25.

What is the GPE at point E?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

100,000 J

26.

What is the GPE at point F?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

0 J

27.

What is the KE at point F?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

0 J

28.

When something is dropped, what type of energy transfer takes place?

a)

Kinetic -> Gravitational Potential

b)

Gravitational Potential -> Kinetic -> Sound

c)

Electrical -> Chemical

d)

Heat -> Nuclear

29.

If two marbles are rolled down a ramp from some height towards a container the _______ marble will move the container farther because it possess more _________ energy as it approaches the end of the ramp.

a)

heavier, kinetic

b)

heavier, potential

c)

lighter, kinetic

d)

lighter, potential

30.

In diagram 2, if the mass of the car is 600 kg, what is the change in potential energy from point A to point B?

a)

411,600 J

b)

294,000

c)

176,400 J

d)

117,600 J

31.
In diagram 2, if the 600 kg cart is initially at rest, what is its velocity at point B?
a)
19.8 m/s
b)
15.0 m/s
c)
10.3 m/s
d)
3.8 m/s
32.

If a 0.5 kg ball is thrown up with 250 J of kinetic energy, how high will it go?

(HINT: At the ball's highest point it has stopped.)

KE = 1/2mv2 , PE = mgh

g = 9.8 m/s2

a)

51 m

b)

25.5 m

c)

12.76 m

d)

31.6 m

33.

A cliff diver with a mass of 125 kg jumps off a 50m high cliff, how fast will he be traveling just before he hits the water? (His height at this point is 0m)

(HINT: Find PE first. then KE = 1/2mv2

g = 9.8 m/s2

a)

61,250 m/s

b)

980 m/s

c)

31.3 m/s

d)

247.5 m/s

34.

A person with a mass of 60 kg jumps in the air. If the gravitational potential energy is 1,470 J at the highest point, how did they jump?

a)

3.2 m

b)

49 m

c)

24.5 m

d)

2.5 m

35.

The rollercoaster has both PE and KE, but where will it have more PE than KE?

a)

1

b)

2

c)

3

d)

4

e)

5

36.

Where will the roller coaster have the most total mechanical energy? Check all that apply. Neglect friction and air resistance.

a)

1

b)

2

c)

3

d)

4

37.

A book has 200J of potential energy and then it falls onto the floor. After it hits the floor and is sitting still, what happened to the energy?

a)

It has disappeared.

b)

It goes into the floor and book as thermal energy and sound.

c)

It changes to chemical potential energy.

d)

It turns into gravity.

38.

The skateboarder shown above has a potential energy of 2,800 J and kinetic energy of 0J at a height of 4 meters. How much total mechanical energy will she have after 2 seconds? Neglect friction and air resistance.

a)

2000J

b)

1600J

c)

1400J

d)

2800J

39.

This graph depicts what type of relationship between kinetic and potential energy?

a)

Non-Linear

b)

Linear

c)

Inverse

d)

Poly-atomic

40.

A 5.0 kg object is pushed across the floor and the attached force vs. displacement graph describes the forces and displacement. What is the change in KE of the object? (Hint: Net work = change in kinetic energy)

a)

45 J

b)

30 J

c)

735 J

d)

40 J

41.
This image is.....
a)
inverted and smaller
b)
inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
42.
What type of image is formed when rays of light actually intersect?
a)
real
b)
virtual
c)
projected
d)
curved
43.
An image that you can see , but does not really exist is called which of the following?
a)
Real Image
b)
Fake Image
c)
Virtual Image
d)
Digital Image
44.
a real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
45.
Which describes a convex lens?
a)
triangular in shape
b)
more transparent in the middle
c)
thicker on the edges than in the middle
d)
thicker in the middle than on the edges
46.
Is a convex lens thicker or thinner in the middle?
a)
Thicker 
b)
Thinner 
47.
A converging lens is also known as a ____ lens.
a)
convex
b)
concave
c)
double
d)
refracted
48.
What does the word "converging" mean?
a)
to separate
b)
to come together
c)
parallel 
d)
perpendicular
49.

When an object is placed on the focal point in front of a convex lens, the image produced is ___.

a)

real, reduced, and inverted

b)

real, magnified, and inverted

c)

real, true, and inverted

d)

There is no image

50.
What does the word "diverging" mean?
a)
to spread apart
b)
to come together
c)
parallel
d)
perpendicular
51.

When an object is placed between the focal point and the convex lens, the image produced is ___.

a)

real, reduced, and inverted

b)

real, magnified, and inverted

c)

virtual, magnified, and upright

d)

virtual, reduced, and upright

52.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
53.
This image is...
a)
Inverted and smaller
b)
inverted and bigger
c)
not inverted and smaller
d)
not inverted and bigger
54.

Which figure represents the path light takes through a convex lens?

a)
b)
c)
d)
55.
a real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
56.
Which of the following does not refract light?
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
57.
This image is...
a)
Inverted and smaller
b)
Inverted and larger
c)
not inverted and smaller
d)
not inverted and larger
58.

Convex lenses can produce...

a)

Real, upright images

b)

Virtual, inverted images

c)

Real, inverted images

d)

no images form

59.
A piece of clear material, such as glass or plastic, that bends light rays as they pass through, can either focus or spread light 
a)
lens
b)
telescope
c)
magnify
d)
refraction
60.

Which term describes lenses that are thinner at the center than at the edges?

a)

converging lenses

b)

diverging lenses

c)

concave lenses

61.
A convex lens has a focal length f.  If an object is placed at 2f at what distance will the image appear?
a)
2f
b)
f
c)
between f and 2f
d)
infinity
62.

For a concave mirror, a light ray coming from the direction of the focal point will be reflected _____.

a)

through the center of curvature

b)

parallel to the optical axis

c)

back through the focal point

63.

Which of the following will always form an upright, reduced, virtual image? (multiple answers)

a)

concave mirror

b)

convex mirror

c)

convex lens

d)

concave lens

64.

Which of the following diagrams shows the correct image formation for a concave lens?

a)
b)
c)
d)
e)
65.

The 0th Law of Thermodynamics states

a)

Heat flows from hot to cold objects.

b)

The universe tends toward disorder

c)

Heat does not flow between objects with the same temperature

d)

Absolute zero is the temperature where particles stop moving

66.

Thermal equilibrium is

a)

When substances that can exchange heat reach the same temperature.

b)

When one object is hotter than another

c)

When one object is colder than another

d)

When substances have equal amounts of internal energy

67.

Objects with higher temperatures have

a)

particles with higher average kinetic energy

b)

particles with lower average kinetic energy

c)

particles with no kinetic energy

d)

more thermal energy no matter what

68.

Thermal energy can change form and location, but cannot be created or destroyed is

a)

The 0th Law of Thermodynamics

b)

The 1st Law of Thermodynamics

c)

The 2nd Law of Thermodynamics

d)

The 3rd Law of Thermodynamics

69.

The 1st Law of Thermodynamics is most similar to

a)

The Law of Conservation of Momentum

b)

Newton's 3rd Law

c)

The Law of Universal Gravitation

d)

The Law of Conservation of Energy

70.

Heat always flows from _____ to _____

a)

more internal energy, less internal energy

b)

less internal energy, more internal energy

c)

lower temperatures, higher temperatures

d)

higher temperatures, lower temperatures

71.

Entropy states that a system tends towards (There are two correct answers, pick both of them)

a)

order

b)

disorder

c)

concentrated energy

d)

dispersed energy

72.

What is the kinetic energy of all particles at absolute zero?

a)

0 J

b)

0 K

c)

Infinite energy

d)

Cannot be determined

73.

How much energy is necessary to melt 1 kg of ice?

a)

3.34 x 105 J

b)

6.68 x 105 J

c)

None, it just happens

d)

1.67 x 105 J

74.

What are we doing tomorrow?

a)

Worksheet

b)

Video

c)

Lab

d)

Quiz

75.
A(n) _____________ is a device for measuring temperature.
a)
thermometer
b)
barometer
c)
anemometer
d)
psychrometer 
76.
Temperature is a measure of the...
a)
total energy in a substance
b)
total kinetic energy in a substance
c)
average potential energy in a substance
d)
average kinetic energy of molecules in a substance
77.
A slower particle has a lower energy than an identical, faster particle.
a)
True
b)
False
78.
The transfer of thermal energy between objects of different temperatures is called...
a)
temperature
b)
heat
c)
internal energy
d)
none of these
79.
It is possible to reach absolute zero
a)
true
b)
false
80.
When thermal energy is added to a substance, the substance's particles move:
a)
More rapidly at an increased diestance from each other.
b)
More rapidly with less distance between each other.
c)
More slowly with a greater distance between each other.
d)
More slowly with a reduced distance between each other.
81.
Heat transfer by conduction occurs when...
a)
particles bump into each other
b)
large numbers of atoms move from place to place
c)
atoms give off heat in the form of electromagnetic waves
d)
electromagnetic waves travel from place to place through a vacuum
82.
Heat transfer by convection occurs when...
a)
electrons bump into other electrons
b)
large numbers of atoms move from place to place
c)
atoms give off heat in the form of electromagnetic waves
d)
electromagnetic waves travel from place to place through a vacuum
83.
Heat travels from the sun to the earth by the process of...
a)
conduction
b)
convection
c)
radiation
d)
insulation
84.
A substance with a high specific heat:
a)
Is always extremely hot.
b)
Requires a lot of energy to become hot.
c)
Is not heavy.
d)
Does not requires a lot of energy to become hot.
85.
Thermal energy always moves:
a)
From a high temperature object to a lower temperature object.
b)
From a lower temperature object to a higher temperature object.
c)
From an object with lower kinetic energy to an object with higher kinetic energy.
d)
From an object of higher mass to an object of lower mass.
86.
The second  law of thermodynamics states that entropy of a system  tends to ______________. 
a)
increase
b)
decrease
c)
stay constant
d)
fluctuate wildly
87.
The temperature of a glass of cold water will eventually...
a)
Match the temperature of the surrounding environment.
b)
Always be colder than the surrounding environment.
c)
Become warmer than the surrounding environment.
d)
Never change temperature.
88.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
89.
Which law of thermodynamics states that absolute zero cannot be reached?
a)
1st
b)
2nd
c)
3rd
90.

What is momentum?

a)

The quantity of motion posessed by a system due to its mass and velocity

b)

The rate at which a system is displaced from its equilibrium position over time

c)

The vector sum of the forces acting on a system

d)

The rate at which the velocity of a system changes over time

91.

What is the formula for calculating the momentum of a particle?

a)

F→=ma→\overrightarrow{F}=m\overrightarrow{a}

b)

K=12mv2K=\frac{1}{2}mv^2

c)

p→=mv→\overrightarrow{p}=m\overrightarrow{v}

d)

ρ=mV\rho=\frac{m}{V}

92.

Match the following

a)

p→\overrightarrow{p}

1.

Momentum

b)

mm

2.

Mass

c)

v→\overrightarrow{v}

3.

Velocity

93.

At the start of its motion, an object is traveling upwards with a velocity of +15 m/s. It goes on to experience a net of acceleration of -9.8 m/s/s. What is the direction of the object's momentum at the start of its motion? Implement a coordinate system in which upwards is the positive direction vertically and rightwards is the positive direction horizontally.

a)

Upwards because the direction of the momentum vector depends on the direction of the velocity vector

b)

Upwards because the direction of the momentum vector depends on the direction of the acceleration vector

c)

Downwards because the direction of the momentum vector depends on the direction of the velocity vector

d)

Downwards because the direction of the momentum vector depends on the direction of the acceleration vector

94.

Consider two objects called A and B. Object A has a mass of 15 kg and a horizontal velocity of +7.6 m/s. Object B has a mass of 12 kg and a horizontal velocity of +7.6 m/s. How do the momenta of the two objects compare to each other? Implement a coordinate system in which rightwards is the positive direction.

a)

Objects A and B have the exact same momentum

b)

Objects A and B have momenta that are the same in magnitude but opposite in direction

c)

Object A has more momentum than Object B because Object A has more mass

d)

Object A has more momentum than Object B because Object A has a greater velocity

e)

Object B has more momentum than Object A because Object B has less mass

95.

Consider two objects called A and B. Object A has a mass of 15 kg and a horizontal velocity of +7.6 m/s. Object B has a mass of 15 kg and a horizontal velocity of +18.3 m/s. How do the momenta of the two objects compare to each other? Implement a coordinate system in which rightwards is the positive direction.

a)

Objects A and B have the exact same momentum

b)

Objects A and B have momenta that are the same in magnitude but opposite in direction

c)

Object A has more momentum than Object B because Object A has more mass

d)

Object B has more momentum than Object A because Object B has a greater velocity

e)

Object B has more momentum than Object A because Object B has less mass

96.

What are internal forces?

a)

Forces that come from within yourself

b)

The forces that occur within a system of particles

c)

The forces that occur from outside the system

d)

The forces that conserve the mechanical energy of a system

97.

What are external forces?

a)

Forces that come from within yourself

b)

The forces that occur within a system of particles

c)

The forces that occur from outside the system

d)

The forces that conserve the mechanical energy of a system

98.

Consider a system made up of two objects: Objects A and B. The objects are only moving along a single axis. If Object A has a momentum of 16 kg · m/s, Object B has a momentum of 28 kg · m/s, then what is the total momentum of the system?

a)

16 kg · m/s

b)

28 kg · m/s

c)

12 kg · m/s

d)

44 kg · m/s

99.

If an isolated system of two particles has a total momentum of 37 kg · m/s and the two particles undergo an elastic collision, what is the total momentum of the isolated system after the elastic collision? Note: The two particles each have a mass of 5 kg.

a)

37 kg · m/s

b)

42 kg · m/s

c)

5 kg · m/s

d)

32 kg · m/s

100.

If an isolated system of two particles has a total momentum of 30 kg · m/s and the two particles undergo an inelastic collision, what is the total momentum of the isolated system after the inelastic collision? Note: The two particles each have a mass of 7 kg.

a)

37 kg · m/s

b)

30 kg · m/s

c)

23 kg · m/s

d)

42 kg · m/s

101.

Match the following

a)

Linear momentum

1.

p

b)

Impulse

2.

J

c)

Change in momentum

3.

Δp

d)

Average force

4.

Favg

102.

If the average force exerted on an object is +64 N and the change in momentum of the object occurs over the duration of 0.01 s, what is the impulse of the force on the object?

Formula: J→=F→avgΔt\overrightarrow{J}=\overrightarrow{F}_{avg}\Delta t

a)

+64.01 N · s

b)

-64.01 N · s

c)

+0.64 N · s

d)

-0.64 N · s

e)

-0.6401 N · s

103.

If an object experiences a change in momentum equal to -34 kg · m/s over the course of 0.56 s, what was the average force exerted on the object?

Formula: F→avg=Δp→Δt\overrightarrow{F}_{avg}=\frac{\Delta\overrightarrow{p}}{\Delta t}

a)

-19.04 N

b)

+19.04 N

c)

-60.7 N

d)

+60.7 N

104.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
105.
Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds.  Which cart experiences the greatest impulse?
a)
Cart B
b)
Cart A
c)
they are the same
106.
The impulse-momentum theorem states that
a)
the impulse on an object is equal to the change in momentum it causes 
b)
the force on a moving object is equal to the magnitude of the impulse.
c)
the impulse on an object is greater than the change in momentum it causes 
d)
the impulse on an object is less than the change in momentum it causes
107.

A constant force of 4.5 N acts on a 7.2-kg object for 10.0 s. What is the change in the object's momentum?

a)

45 kg m/s

b)

72 kg m/s

c)

32.4 kg m/s

d)

0.45 kg m/s

108.
In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other.  The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1m/s.  The carts stick together when they collide.  Calculate their final speed.
a)
0.5 m/s
b)
1.0 m/s
c)
0.33 m/s
d)
0.67 m/s
109.

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

110.
If two objects have the same mass, then the faster moving object has ____________ momentum.
a)
more 
b)
less
c)
the same
111.
While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 10 m/s and the 8 ball was at rest. If both ball's have a mass of 0.15 kg and the cue ball's velocity after the collision is 2 m/s, what is the 8 ball's velocity?
a)
2 m/s
b)
8 m/s
c)
-2 m/s
d)
1.5 m/s
112.
The total momentum before a collision is _________ the total momentum after a collision.
a)
equal to 
b)
less than 
c)
more than
d)
It depends on the type of collision
113.

Juan observed a collision in a lab where the kinetic energy after the collision was equal to the kinetic energy before the collision. This type of collision is

a)

Perfectly Inelastic

b)

Perfectly Elastic

c)

Explosion

114.

When is momentum conserved in a collision?

a)

When the collision is inelastic.

b)

When the collision is elastic.

c)

When the collision is inelastic OR elastic but never an explosion.

d)

All collisions.

115.

Extending the time of a collision allows you to...

a)

change the impulse of the collision.

b)

diffuse the collision.

c)

increase the force of impact.

d)

decrease the force of impact.

116.
Determine the momentum of 1,000-kg car moving northward at 20 m/s.
a)
20,000 N
b)
20,000 Joules
c)
20,000 Kg * m/s
d)
20,000 kg * m/s north
117.
A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less
a)
momentum
b)
velocity
c)
mass
118.
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.
119.
The law of conservation of momentum states that, 
a)
p before is less than p after
b)
p before is the same as p after
c)
p before is more than p after
120.
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
121.
Softer landings tend to
a)
increase impact force
b)
increase force
c)
increase collision time
d)
increase change in momentum
122.
In any collision (crash) the ______ is ALWAYS constant.
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
123.
A 10kg toy truck moves at 5m/s East. It collides and bounces off of a 5kg toy car moving 10 m/s moving west. Which equation would you use to solve for the final velocity of the car?
a)
m1v1i+m2v2i=m1v1f+m2v2f
b)
(m1+m2)vi=m1v1f+m2v2f 
c)
m1v1i+m2v2i=(m1+m2)vf
124.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
125.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
126.

Steve runs and jumps off of a diving board and lands on a tube (he stays in the tube). The collision between Steve and the tube is...

a)

Elastic

b)

Perfectly Elastic

c)

Inelastic

d)

Completely absurd

127.

While playing pool, Emma notices that the pool balls bounce apart. What type of collision is this?

a)

Elastic

b)

Inelastic

c)

Explosive

d)

Force

128.

As a 1.0-kilogram mass falls freely to the Earth, its momentum

a)

Decreases

b)

Increases

c)

Remains the same

129.

The 0th Law of Thermodynamics states

a)

Heat flows from hot to cold objects.

b)

The universe tends toward disorder

c)

Heat does not flow between objects with the same temperature

d)

Absolute zero is the temperature where particles stop moving

130.

Thermal equilibrium is

a)

When substances that can exchange heat reach the same temperature.

b)

When one object is hotter than another

c)

When one object is colder than another

d)

When substances have equal amounts of internal energy

131.

Objects with higher temperatures have

a)

particles with higher average kinetic energy

b)

particles with lower average kinetic energy

c)

particles with no kinetic energy

d)

more thermal energy no matter what

132.

Thermal energy can change form and location, but cannot be created or destroyed is

a)

The 0th Law of Thermodynamics

b)

The 1st Law of Thermodynamics

c)

The 2nd Law of Thermodynamics

d)

The 3rd Law of Thermodynamics

133.

The 1st Law of Thermodynamics is most similar to

a)

The Law of Conservation of Momentum

b)

Newton's 3rd Law

c)

The Law of Universal Gravitation

d)

The Law of Conservation of Energy

134.

Heat always flows from _____ to _____

a)

more internal energy, less internal energy

b)

less internal energy, more internal energy

c)

lower temperatures, higher temperatures

d)

higher temperatures, lower temperatures

135.

Entropy states that a system tends towards (There are two correct answers, pick both of them)

a)

order

b)

disorder

c)

concentrated energy

d)

dispersed energy

136.

What is the kinetic energy of all particles at absolute zero?

a)

0 J

b)

0 K

c)

Infinite energy

d)

Cannot be determined

137.

How much energy is necessary to melt 1 kg of ice?

a)

3.34 x 105 J

b)

6.68 x 105 J

c)

None, it just happens

d)

1.67 x 105 J

138.

What are we doing tomorrow?

a)

Worksheet

b)

Video

c)

Lab

d)

Quiz

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