Directions (1–35): For each statement or question, choose the word or expression that, of those given, best completes the statement or answers the question. Some questions may require the use of the 2006 Edition Reference Tables for Physical Setting/Physics.
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Question 1
1.
Which quantity is a vector?
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Question 2
2.
What is the magnitude of the eastward component of the velocity of an airplane flying at 612 per hour in a direction 40.0^\circ?
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Question 3
3.
A car, initially traveling at 25 meters per second, is uniformly brought to rest as the brakes are applied over a distance of 40. meters. The magnitude of the average acceleration of the car while braking is
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Question 4
4.
A brick starts from rest and falls freely from the top of a building to the ground. As the brick falls, its acceleration
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Question 5
5.
Which object has the greatest inertia?
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Question 6
6.
An unbalanced force is always necessary to
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Question 7
7.
Space probes launched from Earth send information back to Earth from space in the form of
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Question 8
8.
A ball is thrown from level ground at an angle of 55^\circ above the horizontal and lands on level ground. Neglecting friction, if the ball is thrown again at the same angle but with a larger initial speed, the ball will travel
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Question 9
9.
A photon collides with an electron, as represented in the diagram below.
After the collision, the electron recoils and the photon is scattered in another direction with a longer wavelength than the incident photon. The increase in photon wavelength results because, during the collision, the photon
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Question 10
10.
What is the weight of a 60.0-kilogram student on the surface of Earth?
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Question 11
11.
A 120-newton box is pulled by a 48-newton horizontal force across a horizontal surface at constant velocity. The coefficient of kinetic friction between the box and the horizontal surface is
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Question 12
12.
Box A has a mass of 10. kilograms and is at rest on a shelf that is 1.5 meters above the floor. Box B has a mass of 20. kilograms and is at rest on a shelf that is 3.0 meters above the floor. Compared to box A, box B has a gravitational potential energy relative to the floor that is
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Question 13
13.
A 0.10-kilogram yo-yo is whirled at the end of a length of string in a horizontal circular path of radius 0.80 meter at a speed of 6.0 meters per second. The magnitude of the centripetal acceleration of the yo-yo is
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Question 14
14.
A 4.0-kilogram mass is initially at rest on a horizontal, frictionless surface. A constant 2.0-newton force to the east is applied to the mass for a 5.0-second interval. As a result of this action, the mass acquires a
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Question 15
15.
A motor lifts a 1.2 x 104-newton elevator 9.0 meters in 15 seconds. The minimum power output of the motor is
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Question 16
16.
A train blows its horn, which emits a uniform sound as the train approaches a stationary observer. The observer hears a sound that has a
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Question 17
17.
A wood block is pulled at constant velocity across a horizontal wood floor. Which type of energy increases in this block-floor system as the block moves?
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Question 18
18.
A total energy of 5.0 joules is used to move an electron from position A to position B in a uniform electric field. What is the potential difference between positions A and B?
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Question 19
19.
A 0.14-kilogram lacrosse ball, traveling west at 17 meters per second, is brought to rest with a 0.21-kilogram lacrosse stick. If the force applied by the lacrosse stick on the ball is 220 newtons east, the force applied by the ball on the stick is
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Question 20
20.
Four wires are tested for electrical conductivity. All the wires have the same length and the same cross-sectional area, but are made of different metals. Which wire has the highest conductivity at 20^\circC?
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Question 21
21.
The angle of incidence for a ray of light striking a plane mirror is 20^\circ. What is the angle between the incident ray and the reflected ray?
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Question 22
22.
As shown in the diagram below, mass M slides across a level, frictionless surface with speed vi​. The mass strikes a spring at position A, causing the spring to compress. When the mass is at position B, it is moving at a slower speed, ​vf.
Which statement best describes the energy conversion as the mass moves from position A to position B?
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Question 23
23.
The diagram below shows a magnetic compass placed between unlike magnetic poles.
The north pole of the compass needle will point toward
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Question 24
24.
Which circuit diagram contains a lamp that will not have current passing through it until switch S is closed?
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Question 25
25.
The diagram below represents an electric circuit.
The equivalent resistance of the circuit is
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Question 26
26.
An object is thrown vertically upward with an initial velocity of 9.81 \, \text{meters per second}. What is the maximum height reached by the object? [Neglect friction.]
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Question 27
27.
Which type of photon has the least amount of energy?
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Question 28
28.
A 7.5\text{-kilogram} object moving at 20. \text{ meters per second} strikes a 60.\text{ -kilogram} object initially at rest on a horizontal, frictionless surface. The two objects stick together and move off at a speed of
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Question 29
29.
How is the electrostatic force between two positive charges affected as the charges are brought closer together?
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Question 30
30.
What is one difference between magnetic forces and gravitational forces?
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Question 31
31.
A sound wave passes through an opening in a brick wall as represented in the diagram below.
An observer standing behind the wall is able to hear the sound. This spreading out of the sound wave as it passes through the opening is an example of
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Question 32
32.
A sound wave is emitted by a vibrating tuning fork. What is transferred as the sound wave travels to a student’s ear?
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Question 33
33.
An electric current passing through a copper wire at constant temperature would result in
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Question 34
34.
The velocity of an object in uniform circular motion has a
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Question 35
35.
Tuning fork A starts to vibrate at 320 hertz when it is held near tuning fork B, already vibrating at 320 hertz. Which phenomenon is exemplified by the action of tuning fork A?
Part B–1
Answer all questions in this part.
Directions (36–50): For each statement or question, choose the word or expression that, of those given, best completes the statement or answers the question. Some questions may require the use of the 2006 Edition Reference Tables for Physical Setting/Physics.
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Question 36
36.
A light ray with a frequency of 5.09 \times 10^{14} hertz has a wavelength of 2.44 \times 10^{-7} meter in diamond. The wavelength of this light ray in sodium chloride is:
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Question 37
37.
The diagram below shows resistors R_1, R_2, and R_3 connected to a 12-volt source.
The current flowing through resistor R_3 is:
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Question 38
38.
A charge of 25 coulombs moves past a point in a circuit in 2.5 seconds. What is the current at that point in the circuit?
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Question 39
39.
Which statement describes an object with constant kinetic energy?
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Question 40
40.
Which phrase describes a box in equilibrium?
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Question 41
41.
Quarks may combine to produce a meson of charge
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Question 42
42.
The diagram below shows waves A and B as they travel through a region in the same medium.
Which wave best represents the superposition of waves A and B?
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Question 43
43.
The diagrams below show the direction of wave travel and the direction of medium particle vibration for different waves. Which diagram best represents the characteristics of a sound wave?
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Question 44
44.
In a sample of gas, many excited hydrogen atoms are in the n = 4 energy level. What is the maximum number of different photon energies that can be emitted by these atoms as they return to the ground state?
Base your answers to questions 45 and 46 on the information below and on your knowledge of physics.
Two students did an experiment to measure the acceleration of a freely falling object. One student dropped an object from rest. The other student measured the distance fallen by the object and the corresponding time of fall. The data for the dropped object are shown below.
distance fallen by object = 2.4 meters
time of fall = 0.71 second
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Question 45
45.
Based on the data for the dropped object, the experimental value calculated for the object's acceleration is
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Question 46
46.
The ideal value for the acceleration differs from the one obtained experimentally by the students. What is one possible cause of this discrepancy?
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Question 47
47.
Which graph represents the motion of an object falling freely from rest near the surface of the Moon?
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Question 48
48.
The diagrams below represent the initial velocities, v_i, of four identical projectiles launched from level ground at various angles above the horizontal. Which projectile will have the longest time of flight? [Neglect friction.]
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Question 49
49.
Four forces act on a crate on a level floor, as shown in the diagram below.
At the instant shown, the crate is:
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Question 50
50.
The graph below represents the relationship between the potential energy stored in a spring, PE_s, and the elongation of the spring, x.
The value of the spring constant is:
Part B–2
Answer all questions in this part.
Directions (51–59): Some questions may require the use of the 2006 Edition Reference Tables for Physical Setting/Physics.
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2 points
2
Question 51
51.
Planet Nede has a mass of 6.50 \times 10^{23} kilograms and a radius of 2.96 \times 10^{6} meters. The magnitude of the gravitational force of attraction exerted on a 5.00-kilogram object by planet Nede is 7.15 newtons when the object is located at a position 5.50 \times 10^{6} meters from the center of Nede. Calculate the gravitational field strength of planet Nede at the position of the object. [Show all work, including the equation and substitution with units.]
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Question 52
52.
As shown in the diagram below, a toy car, initially traveling at 1.0 meter per second, uniformly accelerates to a speed of 4.0 meters per second as it travels down a 5.0-meter-long slope.
Calculate the time required for the toy car to travel the 5.0 meters from the top of the slope to the bottom. [Show all work, including the equation and substitution with units.]
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Question 53
53.
Calculate the resistance of an incandescent lightbulb that operates at 20. watts of power when connected to a 12-volt battery. [Show all work, including the equation and substitution with units.]
Base your answers to questions 54 through 55 on the information and graph below and on your knowledge of physics.
The motion of a car traveling along a straight road is represented in the graph below.
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Question 54
54.
Determine the average speed of the car from t = 0 to t = 8.0 seconds.
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Question 55
55.
Calculate the magnitude of the acceleration of the car from t = 0 to t = 8.0 seconds. [Show all work, including the equation and substitution with units.]
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Question 56
56.
A light ray is traveling through a transparent medium at a speed of 1.75 \times 10^8 meters per second. Determine the absolute index of refraction of this medium for this light ray.
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Question 57
57.
As shown in the diagram below, a ray of light traveling through medium X is incident upon the surface of medium Y. The absolute index of refraction of medium Y is greater than the absolute index of refraction of medium X.
On the diagram, use a ray that could represent the path of the light in medium Y.
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Question 58
58.
A tungsten wire has a cross-sectional area of 5.03 \times 10^{-7} meter squared and has a resistance of 1.21 \times 10^{-2} ohm when operated at 20°C. Calculate the length of this wire. [Show all work, including the equation and substitution with units.]
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2 points
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Question 59
59.
As shown in the diagram below, a block is hanging motionless from a vertical spring, having caused the spring to elongate from its unstretched length of 0.200 meter to a length of 0.500 meter. The spring has a spring constant of 250. newtons per meter.
Calculate the magnitude of the force exerted by the block on the spring. [Show all work, including the equation and substitution with units.]
Part C
Answer all questions in this part.
Directions (66–85): Some questions may require the use of the 2006 Edition Reference Tables for Physical Setting/Physics.
Base your answers to questions 60 through 62 on the information and data table below and on your knowledge of physics.
In an experiment, a resistor is connected to a source of varying potential difference. A voltmeter and an ammeter are included in the circuit so that the current can be measured at different potential difference settings. The data table below shows the potential differences and currents measured.
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Question 60
60.
Directions: Using the information in the data table, construct a graph on the grid following the directions below.
a. Plot the data points for current versus potential difference.
b. Draw the line of best fit.
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Question 61
61.
Calculate the slope of the line. [Show all work, including the equation and substitution with units.]
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Question 62
62.
Determine the resistance of the resistor.
Base your answers to questions 63 through 66 on the information and diagram below and on your knowledge of physics.
An alpha particle with a charge of +2 elementary charges is moving toward two oppositely charged parallel plates, as shown in the diagram below. The magnitude of the electric field strength between the plates is 5.0 \times 10^4 newtons per coulomb.
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Question 63
63.
Determine the magnitude of the charge of an alpha particle in coulombs.
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Question 64
64.
On the diagram, draw at least three field lines to show the direction of the electric field in the space between the charged plates.
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Question 65
65.
What is the direction of the electrostatic force exerted on the alpha particle as it passes between the plates?
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Question 66
66.
Calculate the magnitude of the electrostatic force exerted on the alpha particle by the electric field as the alpha particle passes through the electric field.
[Show all work, including the equation and substitution with units.]
Base your answers to questions 67 through 69 on the information below and on your knowledge of physics.
Two students investigate transverse waves using a long, stretched spring. One student holds one end of the spring stationary, while the other student produces 12 waves every 4.0 seconds. The waves have a uniform amplitude of 0.20 meter and the distance between two adjacent crests is 0.40 meter.
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Question 67
67.
On the diagram, draw at least one complete wave produced in the spring.
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Question 68
68.
Determine the frequency of the waves.
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Question 69
69.
Calculate the speed of the waves. [Show all work, including the equation and substitution with units.]
Base your answers to questions 70 through 73 on the information below and on your knowledge of physics.
Alpha particles are stable decay products of many nuclear disintegrations. An alpha particle consists of two protons and two neutrons and has a mass of 6.644 \times 10^{-27} kilogram. When the individual masses of two protons and two neutrons are added, the sum is 6.695 \times 10^{-27} kilogram. The difference between the mass of an alpha particle and the total mass of its four individual component particles is called the mass defect.
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Question 70
70.
Determine the mass defect in kilograms when two protons and two neutrons combine to form an alpha particle.
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Question 71
71.
Calculate the total amount of energy in joules that would result from the complete conversion of this mass defect to energy. [Show all work, including the equation and substitution with units.]
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Question 72
72.
Determine the total amount of energy that would result from the complete conversion of this mass defect to energy in megaelectronvolts (MeV).
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Question 73
73.
What fundamental interaction is primarily responsible for holding protons and neutrons together in an alpha particle?