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WorksheetsPhysics Review Energy, Momentum, and waves
Total questions: 133
Worksheet time: 5hrs 33mins
Name
Class
Date
1.
A 30.00 kg mass falls from a height of 4.000 m. The momentum of the mass just before it hits the ground
a)
144.2 kg m/s.
b)
187.8 kg m/s.
c)
320.0 kg m/s.
d)
442.4 kg m/s.
e)
502.1 kg m/s.
2.
A 3.000 kg ball is pitched with a kinetic energy of 20.00 Joules. Then the momentum of the ball is
a)
7.500 kg m/s.
b)
8.350 kg m/s.
c)
9.450 kg m/s.
d)
10.95 kg m/s.
e)
12.50 kg m/s.
3.
If the momentum of a ball is doubled, then the kinetic energy is
a)
0.5 times larger.
b)
2 times larger.
c)
3 times larger.
d)
4 times larger.
e)
5 times larger.
4.
A 4.00 kg ball is traveling at 5.00 m/s and strikes a wall. The 4.00 kg ball bounces off the wall with a velocity of 4.0 m/s. The change in momentum of the ball is
a)
8.0 kg m/s.
b)
13 kg m/s.
c)
26 kg m/s.
d)
30 kg m/s.
e)
36 kg m/s.
5.
A machine gun fires 60.0 gram bullets at 6 bullets a second. If the velocity of the bullets is 600 m/s, then the average force on the machine gun is
a)
67.0 N.
b)
75.0 N.
c)
94.0 N.
d)
109 N.
e)
216 N.
6.
A 140 gm baseball with a velocity of 25.0 m/s is hit by a baseball bat and leaves at 30.0 m/s in the opposite direction. If the ball was in contact with the bat for 12.0 ms, what is the average force on the ball?
a)
750 N
b)
642 N
c)
550 N
d)
482 N
e)
366 N
7.
Momentum is the product of _________________ and velocity.
a)
weight
b)
mass
c)
diretion
8.
Because it is a measure of two quantities, momentum is a ____________________.
a)
scalar
b)
vector
c)
both vector and scalar
9.
Momentum is large when mass is large, when ___________ is large, or both are large.
a)
speed
b)
direction
c)
velocity
10.
If an eagle and a bumble bee are both traveling at 10 km/hr, which has the greater momentum?
a)
eagle
b)
bumble bee
c)
both
11.
Which has more momentum: a 5-kg fish swimming at 100 m/hr or a 25-kg fish at rest?
a)
5-kg fish
b)
25-kg fish
c)
both
12.
In a game of pool, when the cue ball breaks the rack, momentum is _____from the cue ball to the rack, which is why cue ball stops moving.
a)
shared
b)
stationary
c)
transferred
13.
Which has a greater momentum: a 2-ton roller coaster moving 50 km/hr or a 2.5 ton truck moving at 35 km/hr?
a)
truck
b)
roller coaster
c)
both
14.
Momentum can be shifted between two objects. True or False.
a)
True
b)
False
15.
What is the momentum of a 15-kg rock falling at 3 m/s?
a)
5 kg m/s
b)
18 kg m/s
c)
45 kg m/s
16.
A bowling ball has 9 kg m/s of momentum when it is rolled 6 m/s. What is the mass of the bowling ball?
a)
54kg
b)
15kg
c)
3kg
d)
1.5kg
17.
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
18.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
19.
A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?
a)
22 m/s
b)
.2 m/s
c)
5.0 m/s
d)
20 m/s
20.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
21.
A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
a)
3.57 m/s
b)
3.2 m/s
c)
10.0 m/s
d)
9.0 m/s
22.
An object with a mass of 2000 kg at rest has what momentum?
a)
2000 kg m/sec
b)
0 kg m/sec
c)
2000 kg
d)
2000 m/sec
23.
How much time does it take for a car travelling at 65 miles/hour to travel 300 miles?
a)
4.6 hours
b)
0.22 hours
c)
19,500 hours
d)
none of the above
24.
What is the average speed of the person during the first 5 seconds?
a)
0 m/s
b)
1 m/s
c)
3 m/s
d)
6 m/s
25.
Which type of plate boundary would cause folded mountains to form?
a)
transform
b)
convergent
c)
divergent
d)
subduction
26.
In Seafloor Spreading, molten material rises from the mantle and erupts or flows out
a)
along the edges of all the continents
b)
along mid-ocean ridges
c)
in the deep ocean trenches
d)
in the north and south poles
27.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
28.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
Mass and weight
c)
mass and veloctiy
29.
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
30.
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
31.
Momentum is conserved in this type of collision
a)
elastic
b)
inelastic
c)
momentum is conserved in both types of collisions
32.
A 0.250 kg cart moving at 0.500 m/s has how much momentum?
a)
0.5 kg*m/s
b)
.125 kg*m/s
c)
12.5 kg*m/s
d)
10 kg*m/s
33.
What could you do to improve your egg safety device design?
a)
Reduce the impact time
b)
Extend the impact time
c)
Increase the amount of force the device hits the ground with
d)
Absolutely nothing. The egg was predestined to crash.
34.
Which statement best describes the law of conservation of momentum?
a)
Momentum does not change.
b)
The energy of a system is conserved.
c)
Force is proportional to acceleration.
d)
Total momentum of a system is conserved.
35.
If the mass of an object moving at constant velocity is doubled, what will happen to the momentum of the object?
a)
The momentum is halved.
b)
The momentum is doubled.
c)
The momentum is tripled.
d)
The momentum stays the same.
36.
Which object has the greatest momentum?
a)
An 18-wheeler tractor trailer at rest.
b)
An average mass person walking.
c)
A sports car driving on the highway.
37.
A toy car of a mass of 3 kg moves along a frictionless railroad track with a velocity of 4 m/s. What is the momentum of the toy car?
a)
0.75 kg m/s
b)
0.75 N
c)
12 kg m/s
d)
12 N
38.
A large truck collides with a small car. What is the same during the collision
a)
Force they impart to each other
b)
Time of contact
c)
Change of momentum
d)
all of the above
39.
A .030 kg bullet is fired from a gun with a speed of 350 m/s. If the gun has a mass of 0.9 kg, What is the recoil speed of the gun?
a)
11.7 m/s
b)
9.0 m/s
c)
10.5 m/s
d)
10 m/s
40.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
41.
A 9 kg blob moving at 5 m/s collides and sticks to a second blob at rest with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
a)
3.57 m/s
b)
3.2 m/s
c)
10.0 m/s
d)
9.0 m/s
42.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
43.
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
44.
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.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s
d)
None of these
45.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
46.
How can a tennis ball and a bowling ball have the same momentum?
a)
have the same speed
b)
have different speeds
c)
one is moving backwards
d)
they can't
47.
In this type of collision, objects tend to "stick" together and KE is not conserved.
a)
elastic
b)
inelastic
c)
They "stick" together in both types of collisions
48.
T/F: A big truck will always have more momentum than a small car.
a)
True
b)
False
49.
The purpose of crumble zones on a car is to
a)
decrease time of impact.
b)
increase force of impact.
c)
increase the time of impact.
d)
decrease the impulse during impact.
50.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
51.
Two objects of the same mass collide with each other. The second object is at rest and the first is moving at 5 m/s North before the collision. After the collision, the first mass is at rest and the second mass continues at 5 m/s North.
The type of collision represented by these two masses is
The type of collision represented by these two masses is
a)
Inelastic
b)
Explosive
c)
Elastic
d)
Completely inelastic
52.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
53.
In a perfectly elastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and energy
54.
In a perfectly inelastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and kinetic energy
55.
Both students experience the same ____
a)
force of impact
b)
time of impact
c)
change in momentum
d)
all of the above
56.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
57.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
58.
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
59.
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
60.
The velocity of a pendulum bob is 0.74 m/s at its equilibrium point. If the pendulum bob has a mass of 14.3 g, what is the height (h) as indicated in the diagram?
a)
0.027 m
b)
0.037 m
c)
1.35 m
d)
2.75 m
61.
The spring in the diagram below is compressed 2.1 cm. What is the velocity of the 6.3 g marble as it is launched if the force constant, k, is 158 N/m?
a)
2.41 m/s
b)
4.21 m/s
c)
3.32 m/s
d)
1.18 m/s
62.
A 0.022 kg toy popper is compressed 2.5 cm and placed on the table top. When the popper activates it flies to its maximum height in 0.6 seconds. The popper’s spring constant is 533 N/m. Calculate the height the popper reached to the nearest tenth place
a)
0.41 m
b)
0.61 m
c)
0.77 m
d)
0.94 m
63.
1. Fill in the missing values. Assume no energy losses due to friction. The data relates to a 0.5 kg object at each position.find 2
a)
14.7 J, 5.3 J , 20 J
b)
1.47 J, 53 J , 20 J
c)
147 J, 3.5 J , 20 J
d)
0.147 J, 5.3 J , 20 J
64.
What states that energy can never be created or destroyed?
a)
law of conservation of momentum
b)
law of conservation of energy
c)
law of conservation of matter
d)
law of conservation of water
65.
What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Energy
b)
Kinetic energy
c)
Potential energy
d)
Sound energy
66.
As energy transformations occur within a system, the total energy of the system ___.
a)
increases
b)
decreases
c)
is transferred out of the system
d)
remains constant
67.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
68.
A cheetah can run briefly with a speed of 31m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?
a)
22583.5 J
b)
728.5 J
c)
1457 J
d)
0.75 J
69.
With an elevation of 5334m above sea level, the village of Aucanquilca, Chile is the highest inhabited town in the world. What would be the gravitational potential energy associated with a 64kg person in Aucanquilca?
a)
3345484 J
b)
5407.8 J
c)
816.76 J
d)
72.31 J
70.
When a 65 kg skydiver jumps from a plane, her speed steadily increases until air resistance provides a force that balances the force due to free fall. How fast is the skydiver falling if her kinetic energy at the moment is 704000J?
a)
21661.53 m/s
b)
147.17 m/s
c)
22880.0 km/s
d)
10830.76 m/s
71.
An object has 64 J of kinetic,134 J of potential, then it will have _____ of mechanical energy.
a)
8,576 J
b)
189 J
c)
70J
d)
198 J
72.
A boy lifts a 3.1 kg book from his desk, which is .80m high, to a bookshelf that is 2.5m high. What is the potential energy of the book-Earth system relative to the desk when the book is on the shelf?
a)
5.3J
b)
52J
c)
-52J
d)
None of the Above
73.
A bike rider approaches a hill at a speed of 5.5 m/s. The combined mass of the bike and rider is 87kg. Find the initial kinetic energy of the system.
The rider coasts up the hill. Ignoring friction, at what height will the bike come to rest?
The rider coasts up the hill. Ignoring friction, at what height will the bike come to rest?
a)
1316J, 1.5m
b)
2316J, 2.5m
c)
1457J, 3.5m
d)
none of the above
74.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
75.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
76.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
77.
Kinley hit the softball with a force of 3000 N and applied 100 kJ of work. How far did the ball go?
a)
35.33 m
b)
34.33 m
c)
33.33 m
d)
32.33 m
78.
Find the distance an object traveled if a force of 350 N acted on it to produce 0 work?
a)
3 m
b)
2 m
c)
1 m
d)
0 m
79.
Force is measured using which type of unit?
a)
Meters
b)
Kilograms
c)
Newtons
d)
Joules
80.
Work is done when a weightlifter holds a barbell still above his head.
a)
True
b)
False
81.
Work requires force and _______.
a)
distance
b)
time
c)
position
82.
What is the unit for work?
a)
newton
b)
joule
c)
meters
83.
What is the amount of work done per unit of time called?
a)
mechanical advantage
b)
energy
c)
power
84.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
85.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
86.
How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?
a)
3.8 m
b)
3.7 m
c)
3.2 m
d)
3.6 m
87.
The amount of work done in a certain amount of time is known as
a)
work
b)
effort force
c)
resistance force
d)
power
88.
How much power is the tractor that drags a plow with a force of 500 N a distance of 10 meters in 20 seconds?
a)
250 Watts
b)
250 Joules
c)
100,000 Watts
d)
100,000 Joules
89.
The unit used to measure power is the
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
90.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
91.
W=125 J
d=10 m
F=???
d=10 m
F=???
a)
12.5 N
b)
1250 N
c)
0.08 N
d)
135 N
92.
P=25 watts
W=5000 Joules
t=???
W=5000 Joules
t=???
a)
200 sec
b)
0.0005 s
c)
125000 s
d)
125 s
93.
If 68 W of power is produced in 18 seconds, how much work is done?
a)
1,224 J
b)
0.264 J
c)
3.77 J
d)
12.24 J
94.
What is the equation for work?
a)
W = mass * acceleration
b)
W = force * distance
c)
W = force/distance
d)
W = speed/time
95.
What is power?
a)
transfer a force through a distance
b)
the rate of speed
c)
the rate of work being done
d)
transfer of space over time
96.
What is the equation for power?
a)
P = Work/time
b)
P = Force/time
c)
P = time/distance
d)
P = Work * time
97.
If 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?
a)
272 m
b)
17 m
c)
4.05 m
d)
272 cm
98.
How much time is needed to produce 720 Joules of work if 90 watts of power is used?
a)
0.125 s
b)
8 s
c)
64800 s
d)
80 s
99.
Power is defined as the quantity that measures the rate at which _____ is done or energy is transformed.
a)
energy
b)
time
c)
work
d)
elasticity
100.
Tommy carries his piano up the stairs doing 100 Joules of work. If he did this in 10 seconds, how much power did he do?
a)
62,50 Watts
b)
1000 Watts
c)
10 Watts
101.
All of the following are examples of transverse waves except for:
a)
X - Ray
b)
Visible Light
c)
Sound
d)
Gamma Rays
102.
The number of waves produced in one second is known as the
a)
Wavelength
b)
Amplitude
c)
Frequency
d)
Crest
103.
The shorter the wavelength the
a)
shorter the frequency
b)
higher the freuqnecy
c)
frequency stays the same
d)
less energy
104.
What interaction of waves is known for when waves bounce back after hitting a barrier.
a)
Refraction
b)
Interferenece
c)
Reflection
d)
Scattering
105.
Which interaction of waves is known for waves bending between mediums?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Interference
106.
Which interaction of wave is known for when waves bend around a barrier?
a)
Refraction
b)
Reflection
c)
Diffraction
d)
Interference
107.
___________________ is known as when crests of one wave overlap with the troughs of another wave
a)
Refraction
b)
Reflection
c)
Constructive Interference
d)
Destructive Interference
108.
_____________ are Waves that form a stationary pattern because they are traveling in opposite directions
a)
Transverse
b)
Construcive
c)
Destructive
d)
Standing
109.
Sound is produced by
a)
music
b)
vibrations of molecules
c)
Electromagnetic Waves
d)
Transverse Waves
110.
Sound is a form of
a)
thermal energy
b)
mechanical energy
c)
nuclear energy
d)
kinetic energy
111.
When two waves combine to form a new wave with a smaller amplitude, it is called
a)
Refraction
b)
Constructive Interference
c)
Resonance
d)
Destructive Interference
112.
When two waves combine to form a new wave with a larger amplitude, it is called
a)
Diffraction
b)
Destructive Interference
c)
Resonance
d)
Constructive Interference
113.
If two overlapping waves are in-phase, the resultant wave will have ______ compared to the two waves.
a)
Greater amplitude
b)
Greater frequency
c)
Greater wavelength
d)
Greater wave speed
114.
Look at the diagram. At which positions will the overlapping waves have the most constructive interference?
a)
Positions #1 & #2
b)
Positions #2 & #3
c)
Positions #3 & #4
d)
Positions #4 & #5
115.
What measurement is shown by line D on this wave?
a)
amplitude
b)
wavelength
c)
distance
d)
frequency
116.
Destructive interference is
a)
When the two waves affect each other in a negative way
b)
The two waves add together and produce a single wave of greater amplitude
c)
Are in phase
117.
Constructive interference is
a)
When two waves affect one another in a positive way.
b)
Produce a single wave of greater amplitude (add together)
c)
Both
118.
what is interference
a)
occurs when two or more waves overlap and combine
b)
occurs when two or more waves combine and neutralize each other
c)
when one waves travels alone
119.
When a wave moves around a barrier or though an opening it is known as what?
a)
Diffraction
b)
Refraction
c)
Rarefaction
d)
Destruction
120.
a)
Diffraction
b)
Interference
121.
The bending of a wave as it changes speed is called
a)
Reflection
b)
Diffraction
c)
Refraction
d)
Interference
122.
Refract or Reflect?
a)
Refract
b)
Reflect
123.
a)
Constructive Interference
b)
Destructive Interference
124.
What is happening in this picture?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Absorption
125.
Which wave behavior do noise cancelling headphones use?
a)
diffraction
b)
refraction
c)
constructive interference
d)
destructive interference
126.
When two waves combine to form a new wave with a larger amplitude, it is called
a)
Diffraction
b)
Destructive Interference
c)
Resonance
d)
Constructive Interference
127.
What phenomenon does this image demonstrate?
a)
Constructive interference
b)
Destructive interference
c)
Increasing frequency
d)
Increasing period
128.
What phenomenon does this image demonstrate?
a)
Constructive interference
b)
Destructive interference
c)
Increasing frequency
d)
Increasing period
129.
______________ occurs when two or more waves combine to produce a wave with a smaller amplitude/energy.
a)
Destructive interference
b)
Constructive Interference
c)
Diffraction
d)
Refraction
130.
1. A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
131.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3.4 Hz
d)
34 Hz
132.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
133.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
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